diff --git a/TJAPlayer3/Databases/DBCDN.cs b/TJAPlayer3/Databases/DBCDN.cs
index ba1dc78c..8ac3cfb3 100644
--- a/TJAPlayer3/Databases/DBCDN.cs
+++ b/TJAPlayer3/Databases/DBCDN.cs
@@ -12,16 +12,6 @@ namespace TJAPlayer3
             base.tDBInitSavable();
         }
 
-        /*
-        public void tDBCDN()
-        {
-            if (!File.Exists(@".\Databases\CDN.json"))
-                tSaveFile();
-
-            tLoadFile();
-        }
-        */
-
         #region [Auxiliary classes]
 
         public class CDNHooks
@@ -74,23 +64,5 @@ namespace TJAPlayer3
 
         #endregion
 
-        /*
-        public Dictionary<string, CDNData> data = new Dictionary<string, CDNData>();
-
-        
-        #region [private]
-
-        private void tSaveFile()
-        {
-            ConfigManager.SaveConfig(data, @".\Databases\CDN.json");
-        }
-
-        private void tLoadFile()
-        {
-            data = ConfigManager.GetConfig<Dictionary<string, CDNData>>(@".\Databases\CDN.json");
-        }
-
-        #endregion
-        */
     }
 }
\ No newline at end of file
diff --git a/TJAPlayer3/Databases/DBEncyclopediaMenus.cs b/TJAPlayer3/Databases/DBEncyclopediaMenus.cs
index 7d43fa58..06458c46 100644
--- a/TJAPlayer3/Databases/DBEncyclopediaMenus.cs
+++ b/TJAPlayer3/Databases/DBEncyclopediaMenus.cs
@@ -4,10 +4,11 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.IO;
+using Newtonsoft.Json;
 
 namespace TJAPlayer3
 {
-    class DBEncyclopediaMenus : CSavableT<Dictionary<int, string>>
+    class DBEncyclopediaMenus : CSavableT<DBEncyclopediaMenus.EncyclopediaMenu>
     {
         public DBEncyclopediaMenus()
         {
@@ -15,6 +16,16 @@ namespace TJAPlayer3
             base.tDBInitSavable();
         }
 
+        #region [Auxiliary classes]
+        public class EncyclopediaMenu
+        {
+            [JsonProperty("menus")]
+            public KeyValuePair<int, EncyclopediaMenu>[] Menus;
 
+            [JsonProperty("pages")]
+            public int[] Pages;
+        }
+
+        #endregion
     }
 }
diff --git a/TJAPlayer3/Databases/Databases.cs b/TJAPlayer3/Databases/Databases.cs
index 74f557a4..0ceddc39 100644
--- a/TJAPlayer3/Databases/Databases.cs
+++ b/TJAPlayer3/Databases/Databases.cs
@@ -8,8 +8,10 @@ namespace TJAPlayer3
         public void tDatabases()
         {
             DBCDN = new DBCDN();
+            DBEncyclopediaMenus = new DBEncyclopediaMenus();
         }
 
         public DBCDN DBCDN;
+        public DBEncyclopediaMenus DBEncyclopediaMenus;
     }
 }
\ No newline at end of file
diff --git a/TJAPlayer3/I18N/ILang.cs b/TJAPlayer3/I18N/ILang.cs
index 07cc9afa..448ed0e5 100644
--- a/TJAPlayer3/I18N/ILang.cs
+++ b/TJAPlayer3/I18N/ILang.cs
@@ -13,6 +13,8 @@ namespace TJAPlayer3
     static internal class CLangManager
     {
         // Cheap factory-like design pattern
+
+        public static (string, int) DefaultLanguage = ("jp", 0);
         public static void langAttach(string lang)
         {
             switch (lang) {
@@ -49,10 +51,25 @@ namespace TJAPlayer3
                     return 1;
                 case "jp":
                 default:
-                    return 0;
+                    return DefaultLanguage.Item2;
             }
         }
 
+        public static string fetchLang()
+        {
+            if (LangInstance is CLang_jp)
+                return "jp";
+            else if (LangInstance is CLang_en)
+                return "en";
+            else if (LangInstance is CLang_fr)
+                return "fr";
+            else if (LangInstance is CLang_es)
+                return "es";
+            else if (LangInstance is CLang_zh)
+                return "zh";
+            return DefaultLanguage.Item1;
+        }
+
         public static string intToLang(int idx)
         {
             switch (idx)
@@ -67,7 +84,7 @@ namespace TJAPlayer3
                     return "en";
                 case 0:
                 default:
-                    return "jp";
+                    return DefaultLanguage.Item1;
             }
         }
 
diff --git a/TJAPlayer3/Stages/15.OpenEncyclopedia/CEncyclopediaControler.cs b/TJAPlayer3/Stages/15.OpenEncyclopedia/CEncyclopediaControler.cs
new file mode 100644
index 00000000..b23bcec4
--- /dev/null
+++ b/TJAPlayer3/Stages/15.OpenEncyclopedia/CEncyclopediaControler.cs
@@ -0,0 +1,114 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Drawing;
+using System.Threading.Tasks;
+using System.IO;
+using FDK;
+using static TJAPlayer3.CActSelect曲リスト;
+
+namespace TJAPlayer3
+{
+    class CEncyclopediaControler
+    {
+        
+        public CEncyclopediaControler()
+        {
+            _callStack = new Stack<DBEncyclopediaMenus.EncyclopediaMenu>();
+
+            _callStack.Push(TJAPlayer3.Databases.DBEncyclopediaMenus.data);
+            _current = _callStack.Peek();
+
+            MenuIndex = 0;
+            _lang = CLangManager.fetchLang();
+            tReloadFonts();
+            tReallocateSubMenus();
+        }
+
+        private void tReloadFonts()
+        {
+            _pfEncyclopediaMenu?.Dispose();
+            if (!string.IsNullOrEmpty(TJAPlayer3.ConfigIni.FontName))
+            {
+                _pfEncyclopediaMenu = new CPrivateFastFont(new FontFamily(TJAPlayer3.ConfigIni.FontName), 14);
+            }
+            else
+            {
+                _pfEncyclopediaMenu = new CPrivateFastFont(new FontFamily("MS UI Gothic"), 14);
+            }
+        }
+
+        private string _GetPathTextFile(string parent)
+        {
+            string _expected = parent + @"\" + _lang + ".txt";
+            string _default = parent + @"\" + CLangManager.DefaultLanguage.Item1 + ".txt";
+
+            if (File.Exists(_expected))
+                return _expected;
+            return _default;
+        }
+
+        private string _GetSectionContents(ref KeyValuePair<int, DBEncyclopediaMenus.EncyclopediaMenu> menu)
+        {
+            try
+            {
+                string _path = _GetPathTextFile(@".\Encyclopedia\" + (tIsMenu(menu.Value) ? @"Menus\" : @"Pages\") + menu.Key.ToString());
+
+                return File.ReadAllText(_path);
+            }
+            catch
+            {
+                return "[File fetching failed]";
+            }
+        }
+        private void tReallocateSubMenus()
+        {
+            if (Submenus != null)
+            {
+                for (int i = 0; i < Submenus.Length; i++)
+                {
+                    Submenus[i].Item2?.Dispose();
+                }
+            }
+
+            int _count = _current.Menus.Length + 1;
+            Submenus = new (int, CTexture)[_count];
+
+            Submenus[0].Item1 = -1;
+            Submenus[0].Item2 = TJAPlayer3.stage選曲.act曲リスト.ResolveTitleTexture(
+                          new TitleTextureKey(CLangManager.LangInstance.GetString(401), _pfEncyclopediaMenu, Color.White, Color.DarkOrange, 1000));
+
+            for (int i = 1; i < _count; i++)
+            {
+                int _idx = i - 1; // Excluding return
+                var _menu = _current.Menus[_idx];
+                Submenus[i].Item1 = _menu.Key;
+                Submenus[i].Item2 = TJAPlayer3.stage選曲.act曲リスト.ResolveTitleTexture(
+                          new TitleTextureKey(_GetSectionContents(ref _menu), _pfEncyclopediaMenu, Color.White, Color.DarkOrange, 1000));
+            }
+        }
+
+        // Verify if submenu has pages or not
+        public bool tIsMenu(DBEncyclopediaMenus.EncyclopediaMenu menu)
+        {
+            return (menu.Menus == null || menu.Menus.Length == 0);
+        }
+
+        #region [public]
+
+        public (int, CTexture)[] Submenus;
+        public int MenuIndex;
+
+        #endregion
+
+        #region [private]
+
+        private Stack<DBEncyclopediaMenus.EncyclopediaMenu> _callStack;
+        private DBEncyclopediaMenus.EncyclopediaMenu _current;
+        private string _lang;
+        private static CPrivateFastFont _pfEncyclopediaMenu;
+
+        #endregion
+    }
+}