diff --git a/Assets/VRM10/Runtime/IO/VrmExpressionAdapter.cs b/Assets/VRM10/Runtime/IO/VrmExpressionAdapter.cs
index b03d9057b..d8acf1368 100644
--- a/Assets/VRM10/Runtime/IO/VrmExpressionAdapter.cs
+++ b/Assets/VRM10/Runtime/IO/VrmExpressionAdapter.cs
@@ -152,6 +152,18 @@ namespace UniVRM10
             {
                 case ExpressionPreset.Custom:
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.custom;
+                // 喜怒哀楽驚
+                case ExpressionPreset.Happy:
+                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.happy;
+                case ExpressionPreset.Angry:
+                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.angry;
+                case ExpressionPreset.Sad:
+                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.sad;
+                case ExpressionPreset.Relaxed:
+                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.relaxed;
+                case ExpressionPreset.Surprised:
+                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.surprised;
+                // Procedural(LipSync)
                 case ExpressionPreset.Aa:
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.aa;
                 case ExpressionPreset.Ih:
@@ -162,16 +174,14 @@ namespace UniVRM10
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.ee;
                 case ExpressionPreset.Oh:
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.oh;
+                // Procedural(Blink)
                 case ExpressionPreset.Blink:
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.blink;
-                case ExpressionPreset.Joy:
-                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.happy;
-                case ExpressionPreset.Angry:
-                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.angry;
-                case ExpressionPreset.Sorrow:
-                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.sad;
-                case ExpressionPreset.Fun:
-                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.relaxed;
+                case ExpressionPreset.BlinkLeft:
+                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.blinkLeft;
+                case ExpressionPreset.BlinkRight:
+                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.blinkRight;
+                // Procedural(LookAt)
                 case ExpressionPreset.LookUp:
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.lookUp;
                 case ExpressionPreset.LookDown:
@@ -180,10 +190,7 @@ namespace UniVRM10
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.lookLeft;
                 case ExpressionPreset.LookRight:
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.lookRight;
-                case ExpressionPreset.BlinkLeft:
-                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.blinkLeft;
-                case ExpressionPreset.BlinkRight:
-                    return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.blinkRight;
+                // Other
                 case ExpressionPreset.Neutral:
                     return UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.neutral;
                 default:
@@ -202,13 +209,12 @@ namespace UniVRM10
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.ee: return ExpressionPreset.Ee;
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.oh: return ExpressionPreset.Oh;
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.blink: return ExpressionPreset.Blink;
-                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.happy: return ExpressionPreset.Joy;
+                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.happy: return ExpressionPreset.Happy;
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.angry: return ExpressionPreset.Angry;
-                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.sad: return ExpressionPreset.Sorrow;
-                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.relaxed: return ExpressionPreset.Fun;
+                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.sad: return ExpressionPreset.Sad;
+                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.relaxed: return ExpressionPreset.Relaxed;
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.lookUp: return ExpressionPreset.LookUp;
-                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.surprised:
-                    throw new NotImplementedException();
+                case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.surprised: return ExpressionPreset.Surprised;
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.lookDown: return ExpressionPreset.LookDown;
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.lookLeft: return ExpressionPreset.LookLeft;
                 case UniGLTF.Extensions.VRMC_vrm.ExpressionPreset.lookRight: return ExpressionPreset.LookRight;
diff --git a/Assets/VRM10/vrmlib/Runtime/EnumUtil.cs b/Assets/VRM10/vrmlib/Runtime/EnumUtil.cs
index 93647a0f8..47e2fecf7 100644
--- a/Assets/VRM10/vrmlib/Runtime/EnumUtil.cs
+++ b/Assets/VRM10/vrmlib/Runtime/EnumUtil.cs
@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace VrmLib
 {
@@ -35,5 +37,23 @@ namespace VrmLib
 
             return (T)Enum.Parse(typeof(T), src.ToString(), ignoreCase);
         }
+
+        class GenericCache<T> where T : Enum
+        {
+            public static T[] Values = GetValues().ToArray();
+
+            static IEnumerable<T> GetValues()
+            {
+                foreach (var t in Enum.GetValues(typeof(Texture)))
+                {
+                    yield return (T)t;
+                }
+            }
+        }
+
+        public static T[] Values<T>() where T : Enum
+        {
+            return GenericCache<T>.Values;
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/Assets/VRM10/vrmlib/Runtime/Vrm/ExpressionPreset.cs b/Assets/VRM10/vrmlib/Runtime/Vrm/ExpressionPreset.cs
index 26158eb1f..e15615d89 100644
--- a/Assets/VRM10/vrmlib/Runtime/Vrm/ExpressionPreset.cs
+++ b/Assets/VRM10/vrmlib/Runtime/Vrm/ExpressionPreset.cs
@@ -1,24 +1,101 @@
+using System.Collections.Generic;
+using System.Linq;
+
 namespace VrmLib
 {
+    public class ExpressionPresetMigrationStringAttribute : System.Attribute
+    {
+        /// <summary>
+        /// vrm-0.X での名前
+        /// </summary>
+        public string Vrm0;
+
+        public ExpressionPresetMigrationStringAttribute(string name)
+        {
+            Vrm0 = name;
+        }
+    }
+
+    /// <summary>
+    /// VRM-1.0 順に並べ替え。
+    /// 
+    /// VRM-0.X とは変換表が必用デス
+    /// </summary>
     public enum ExpressionPreset
     {
+        [ExpressionPresetMigrationString("unknown")]
         Custom,
-        Aa,
-        Ih,
-        Ou,
-        Ee,
-        Oh,
-        Blink,
-        Joy,
+        // 喜怒哀楽驚
+        [ExpressionPresetMigrationString("joy")]
+        Happy,
+        [ExpressionPresetMigrationString("angry")]
         Angry,
-        Sorrow,
-        Fun,
-        LookUp,
-        LookDown,
-        LookLeft,
-        LookRight,
+        [ExpressionPresetMigrationString("sorrow")]
+        Sad,
+        [ExpressionPresetMigrationString("fun")]
+        Relaxed,
+        [ExpressionPresetMigrationString(null)]
+        Surprised,
+        // Procedural(LipSync)
+        [ExpressionPresetMigrationString("a")]
+        Aa,
+        [ExpressionPresetMigrationString("i")]
+        Ih,
+        [ExpressionPresetMigrationString("u")]
+        Ou,
+        [ExpressionPresetMigrationString("e")]
+        Ee,
+        [ExpressionPresetMigrationString("o")]
+        Oh,
+        // Procedural(Blink)
+        [ExpressionPresetMigrationString("blink")]
+        Blink,
+        [ExpressionPresetMigrationString("blink_l")]
         BlinkLeft,
+        [ExpressionPresetMigrationString("blink_r")]
         BlinkRight,
+        // Procedural(LookAt)
+        [ExpressionPresetMigrationString("lookup")]
+        LookUp,
+        [ExpressionPresetMigrationString("lookdown")]
+        LookDown,
+        [ExpressionPresetMigrationString("lookleft")]
+        LookLeft,
+        [ExpressionPresetMigrationString("lookright")]
+        LookRight,
+        // other
+        [ExpressionPresetMigrationString("neutral")]
         Neutral,
     }
+
+    public static class ExpressionPresetMigration
+    {
+        static readonly Dictionary<string, ExpressionPreset> s_map = GetValues().ToDictionary(x => x.Key, x => x.Value);
+
+        static IEnumerable<KeyValuePair<string, ExpressionPreset>> GetValues()
+        {
+            var t = typeof(ExpressionPreset);
+            foreach (var x in EnumUtil.Values<ExpressionPreset>())
+            {
+                var mi = t.GetMember(x.ToString()).FirstOrDefault(m => m.DeclaringType == t);
+                var attr = mi.GetCustomAttributes(typeof(ExpressionPresetMigrationStringAttribute), true).First();
+                if (attr is ExpressionPresetMigrationStringAttribute vrmAttr && !string.IsNullOrEmpty(vrmAttr.Vrm0))
+                {
+                    yield return new KeyValuePair<string, ExpressionPreset>(vrmAttr.Vrm0, x);
+                }
+            }
+        }
+
+        public static ExpressionPreset FromVrm0String(string src)
+        {
+            if (s_map.TryGetValue(src, out ExpressionPreset preset))
+            {
+                return preset;
+            }
+            else
+            {
+                return ExpressionPreset.Custom;
+            }
+        }
+    }
 }