diff --git a/Sources/EntityFramwork/Manager/Manager.cs b/Sources/EntityFramwork/Manager/Manager.cs
index 3da14bf..757fbbc 100644
--- a/Sources/EntityFramwork/Manager/Manager.cs
+++ b/Sources/EntityFramwork/Manager/Manager.cs
@@ -12,10 +12,10 @@ namespace EntityFramwork.Manager
     {
         public Manager() 
         {
-            ChampionsMgr = new ChampionsManager(this);
-            SkinsMgr = new SkinsManager(this);
-            RunesMgr = new RunesManager(this);
-            RunePagesMgr = new RunePagesManager(this);
+            ChampionsMgr = new ManagerChampion();
+            SkinsMgr = new ManagerSkins();
+            RunesMgr = new ManagerRune();
+            RunePagesMgr = new ManagerRunePage();
         }
 
         public IChampionsManager ChampionsMgr { get; }
diff --git a/Sources/EntityFramwork/Manager/ManagerChampion.cs b/Sources/EntityFramwork/Manager/ManagerChampion.cs
index e41f128..4a80248 100644
--- a/Sources/EntityFramwork/Manager/ManagerChampion.cs
+++ b/Sources/EntityFramwork/Manager/ManagerChampion.cs
@@ -7,99 +7,91 @@ using System.Threading.Tasks;
 
 namespace EntityFramwork.Manager
 {
-    public partial class Manager
+    public class ManagerChampion : IChampionsManager
     {
-        public class ChampionsManager : IChampionsManager
-        {
-            private readonly Manager parent;
-
-            public ChampionsManager(Manager parent)
-                => this.parent = parent;
-
-            public Task<Champion?> AddItem(Champion? item)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<bool> DeleteItem(Champion? item)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Champion?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Champion?>> GetItemsByCharacteristic(string charName, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Champion?>> GetItemsByClass(ChampionClass championClass, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Champion?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Champion?>> GetItemsByRunePage(RunePage? runePage, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Champion?>> GetItemsBySkill(Skill? skill, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Champion?>> GetItemsBySkill(string skill, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItems()
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsByCharacteristic(string charName)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsByClass(ChampionClass championClass)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsByName(string substring)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsByRunePage(RunePage? runePage)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsBySkill(Skill? skill)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsBySkill(string skill)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<Champion?> UpdateItem(Champion? oldItem, Champion? newItem)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<Champion?> AddItem(Champion? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<bool> DeleteItem(Champion? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Champion?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Champion?>> GetItemsByCharacteristic(string charName, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Champion?>> GetItemsByClass(ChampionClass championClass, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Champion?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Champion?>> GetItemsByRunePage(RunePage? runePage, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Champion?>> GetItemsBySkill(Skill? skill, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Champion?>> GetItemsBySkill(string skill, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItems()
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByCharacteristic(string charName)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByClass(ChampionClass championClass)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByName(string substring)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByRunePage(RunePage? runePage)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsBySkill(Skill? skill)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsBySkill(string skill)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<Champion?> UpdateItem(Champion? oldItem, Champion? newItem)
+        {
+            throw new NotImplementedException();
         }
     }
 }
diff --git a/Sources/EntityFramwork/Manager/ManagerRune.cs b/Sources/EntityFramwork/Manager/ManagerRune.cs
index 246bd44..4e1cc8e 100644
--- a/Sources/EntityFramwork/Manager/ManagerRune.cs
+++ b/Sources/EntityFramwork/Manager/ManagerRune.cs
@@ -7,59 +7,51 @@ using System.Threading.Tasks;
 
 namespace EntityFramwork.Manager
 {
-    public partial class Manager
+    public class ManagerRune : IRunesManager
     {
-        public class RunesManager : IRunesManager
+        public Task<Model.Rune?> AddItem(Model.Rune? item)
         {
-            private readonly Manager parent;
-
-            public RunesManager(Manager parent)
-                => this.parent = parent;
-
-            public Task<Model.Rune?> AddItem(Model.Rune? item)
-            {
-                throw new NotImplementedException();
-            }
+            throw new NotImplementedException();
+        }
 
-            public Task<bool> DeleteItem(Model.Rune? item)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<bool> DeleteItem(Model.Rune? item)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<IEnumerable<Model.Rune?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<IEnumerable<Model.Rune?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<IEnumerable<Model.Rune?>> GetItemsByFamily(RuneFamily family, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<IEnumerable<Model.Rune?>> GetItemsByFamily(RuneFamily family, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<IEnumerable<Model.Rune?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<IEnumerable<Model.Rune?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<int> GetNbItems()
-            {
-                throw new NotImplementedException();
-            }
+        public Task<int> GetNbItems()
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<int> GetNbItemsByFamily(RuneFamily family)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<int> GetNbItemsByFamily(RuneFamily family)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<int> GetNbItemsByName(string substring)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<int> GetNbItemsByName(string substring)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<Model.Rune?> UpdateItem(Model.Rune? oldItem, Model.Rune? newItem)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<Model.Rune?> UpdateItem(Model.Rune? oldItem, Model.Rune? newItem)
+        {
+            throw new NotImplementedException();
         }
     }
 }
diff --git a/Sources/EntityFramwork/Manager/ManagerRunePage.cs b/Sources/EntityFramwork/Manager/ManagerRunePage.cs
index 726be4f..32b51d6 100644
--- a/Sources/EntityFramwork/Manager/ManagerRunePage.cs
+++ b/Sources/EntityFramwork/Manager/ManagerRunePage.cs
@@ -7,69 +7,61 @@ using System.Threading.Tasks;
 
 namespace EntityFramwork.Manager
 {
-    public partial class Manager
+    public class ManagerRunePage : IRunePagesManager
     {
-        public class RunePagesManager : IRunePagesManager
+        public Task<RunePage?> AddItem(RunePage? item)
         {
-            private readonly Manager parent;
-
-            public RunePagesManager(Manager parent)
-                => this.parent = parent;
-
-            public Task<RunePage?> AddItem(RunePage? item)
-            {
-                throw new NotImplementedException();
-            }
+            throw new NotImplementedException();
+        }
 
-            public Task<bool> DeleteItem(RunePage? item)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<bool> DeleteItem(RunePage? item)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<IEnumerable<RunePage?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<IEnumerable<RunePage?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<IEnumerable<RunePage?>> GetItemsByChampion(Champion? champion, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<IEnumerable<RunePage?>> GetItemsByChampion(Champion? champion, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<IEnumerable<RunePage?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<IEnumerable<RunePage?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<IEnumerable<RunePage?>> GetItemsByRune(Model.Rune? rune, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<IEnumerable<RunePage?>> GetItemsByRune(Model.Rune? rune, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<int> GetNbItems()
-            {
-                throw new NotImplementedException();
-            }
+        public Task<int> GetNbItems()
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<int> GetNbItemsByChampion(Champion? champion)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<int> GetNbItemsByChampion(Champion? champion)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<int> GetNbItemsByName(string substring)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<int> GetNbItemsByName(string substring)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<int> GetNbItemsByRune(Model.Rune? rune)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<int> GetNbItemsByRune(Model.Rune? rune)
+        {
+            throw new NotImplementedException();
+        }
 
-            public Task<RunePage?> UpdateItem(RunePage? oldItem, RunePage? newItem)
-            {
-                throw new NotImplementedException();
-            }
+        public Task<RunePage?> UpdateItem(RunePage? oldItem, RunePage? newItem)
+        {
+            throw new NotImplementedException();
         }
     }
 }
diff --git a/Sources/EntityFramwork/Manager/ManagerSkins.cs b/Sources/EntityFramwork/Manager/ManagerSkins.cs
index b28a4ad..992c674 100644
--- a/Sources/EntityFramwork/Manager/ManagerSkins.cs
+++ b/Sources/EntityFramwork/Manager/ManagerSkins.cs
@@ -7,59 +7,8 @@ using System.Threading.Tasks;
 
 namespace EntityFramwork.Manager
 {
-    public partial class Manager
+    public class ManagerSkins : ISkinsManager
     {
-        public class SkinsManager : ISkinsManager
-        {
-            private readonly Manager parent;
-
-            public SkinsManager(Manager parent)
-                => this.parent = parent;
-
-            public Task<Skin?> AddItem(Skin? item)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<bool> DeleteItem(Skin? item)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Skin?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Skin?>> GetItemsByChampion(Champion? champion, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<IEnumerable<Skin?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItems()
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsByChampion(Champion? champion)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<int> GetNbItemsByName(string substring)
-            {
-                throw new NotImplementedException();
-            }
-
-            public Task<Skin?> UpdateItem(Skin? oldItem, Skin? newItem)
-            {
-                throw new NotImplementedException();
-            }
-        }
+        
     }
 }
diff --git a/Sources/RelationApi/Relation.cs b/Sources/RelationApi/Relation.cs
index 7659c1f..b8529da 100644
--- a/Sources/RelationApi/Relation.cs
+++ b/Sources/RelationApi/Relation.cs
@@ -1,25 +1,26 @@
-using Model;
+
+using Model;
 
 namespace RelationApi
 {
+    
     public class Relation : IDataManager
     {
         public Relation()
         {
-            RelationChampion = new RelationChampion();
-            SkinsMgr = new SkinsManager(this);
-            RunesMgr = new RunesManager(this);
-            RunePagesMgr = new RunePagesManager(this);
+            ChampionsMgr = new RelationChampion();
+            SkinsMgr = new RelationSkins();
+            RunesMgr = new RelationRune();
+            RunePagesMgr = new RelationRunePage();
         }
 
-        public IChampionsManager RelationChampion { get; }
+        public IChampionsManager ChampionsMgr { get; }
 
         public ISkinsManager SkinsMgr { get; }
 
         public IRunesManager RunesMgr { get; }
 
         public IRunePagesManager RunePagesMgr { get; }
-    }
 
     }
 }
\ No newline at end of file
diff --git a/Sources/RelationApi/RelationApi.csproj b/Sources/RelationApi/RelationApi.csproj
index 132c02c..27ac386 100644
--- a/Sources/RelationApi/RelationApi.csproj
+++ b/Sources/RelationApi/RelationApi.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net6.0</TargetFramework>
diff --git a/Sources/RelationApi/RelationChampion.cs b/Sources/RelationApi/RelationChampion.cs
index 17037b2..f981aef 100644
--- a/Sources/RelationApi/RelationChampion.cs
+++ b/Sources/RelationApi/RelationChampion.cs
@@ -9,8 +9,6 @@ namespace RelationApi
 {
     public class RelationChampion : IChampionsManager
     {
-        
-
 
         public Task<Champion?> AddItem(Champion? item)
         {
diff --git a/Sources/RelationApi/RelationRune.cs b/Sources/RelationApi/RelationRune.cs
new file mode 100644
index 0000000..494bc99
--- /dev/null
+++ b/Sources/RelationApi/RelationRune.cs
@@ -0,0 +1,57 @@
+using Model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RelationApi
+{
+    public class RelationRune : IRunesManager
+    {
+        public Task<Model.Rune?> AddItem(Model.Rune? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<bool> DeleteItem(Model.Rune? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Model.Rune?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Model.Rune?>> GetItemsByFamily(RuneFamily family, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Model.Rune?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItems()
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByFamily(RuneFamily family)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByName(string substring)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<Model.Rune?> UpdateItem(Model.Rune? oldItem, Model.Rune? newItem)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/Sources/RelationApi/RelationRunePage.cs b/Sources/RelationApi/RelationRunePage.cs
new file mode 100644
index 0000000..34cd254
--- /dev/null
+++ b/Sources/RelationApi/RelationRunePage.cs
@@ -0,0 +1,67 @@
+using Model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RelationApi
+{
+    internal class RelationRunePage : IRunePagesManager
+    {
+        public Task<RunePage?> AddItem(RunePage? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<bool> DeleteItem(RunePage? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<RunePage?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<RunePage?>> GetItemsByChampion(Champion? champion, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<RunePage?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<RunePage?>> GetItemsByRune(Model.Rune? rune, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItems()
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByChampion(Champion? champion)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByName(string substring)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByRune(Model.Rune? rune)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<RunePage?> UpdateItem(RunePage? oldItem, RunePage? newItem)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/Sources/RelationApi/RelationSkins.cs b/Sources/RelationApi/RelationSkins.cs
new file mode 100644
index 0000000..fba8d73
--- /dev/null
+++ b/Sources/RelationApi/RelationSkins.cs
@@ -0,0 +1,57 @@
+using Model;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RelationApi
+{
+    public class RelationSkins : ISkinsManager
+    {
+        public Task<Skin?> AddItem(Skin? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<bool> DeleteItem(Skin? item)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Skin?>> GetItems(int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Skin?>> GetItemsByChampion(Champion? champion, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<IEnumerable<Skin?>> GetItemsByName(string substring, int index, int count, string? orderingPropertyName = null, bool descending = false)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItems()
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByChampion(Champion? champion)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<int> GetNbItemsByName(string substring)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<Skin?> UpdateItem(Skin? oldItem, Skin? newItem)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}