diff --git a/PKHeX.Core/PKM/PK2.cs b/PKHeX.Core/PKM/PK2.cs
index cfc062bf9..61fab94fa 100644
--- a/PKHeX.Core/PKM/PK2.cs
+++ b/PKHeX.Core/PKM/PK2.cs
@@ -12,7 +12,7 @@ public sealed class PK2 : GBPKML, ICaughtData2
 
     public override int SIZE_STORED => Japanese ? PokeCrypto.SIZE_2JLIST : PokeCrypto.SIZE_2ULIST;
     public override int SIZE_PARTY => SIZE_STORED;
-    public override bool Korean => !Japanese && OriginalTrainerTrash[0] <= 0xB;
+    public override bool Korean => !Japanese && StringConverter2KOR.IsHangul(OriginalTrainerTrash);
 
     public override EntityContext Context => EntityContext.Gen2;
 
@@ -208,7 +208,7 @@ public PK7 ConvertToPK7()
         else if (IsNicknamedBank)
         {
             pk7.IsNicknamed = true;
-            pk7.Nickname = Korean ? Nickname : StringConverter12Transporter.GetString(NicknameTrash, Japanese);
+            pk7.Nickname = StringConverter2KOR.IsHangul(NicknameTrash) ? Nickname : StringConverter12Transporter.GetString(NicknameTrash, Japanese);
         }
 
         // Dizzy Punch cannot be transferred
@@ -228,7 +228,7 @@ private string GetTransferTrainerName(int lang)
     {
         if (OriginalTrainerTrash[0] == StringConverter1.TradeOTCode) // In-game Trade
             return StringConverter12Transporter.GetTradeNameGen1(lang);
-        if (Korean)
+        if (StringConverter2KOR.IsHangul(OriginalTrainerTrash))
             return OriginalTrainerName;
         return StringConverter12Transporter.GetString(OriginalTrainerTrash, Japanese);
     }
@@ -269,29 +269,15 @@ public SK2 ConvertToSK2() => new(Japanese)
     };
 
     public override string GetString(ReadOnlySpan<byte> data)
-    {
-        if (Korean)
-            return StringConverter2KOR.GetString(data);
-        return StringConverter2.GetString(data, Language);
-    }
-
+        => StringConverter2.GetString(data, Language);
     public override int LoadString(ReadOnlySpan<byte> data, Span<char> destBuffer)
-    {
-        if (Korean)
-            return StringConverter2KOR.LoadString(data, destBuffer);
-        return StringConverter2.LoadString(data, destBuffer, Language);
-    }
-
+        => StringConverter2.LoadString(data, destBuffer, Language);
     public override int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength, StringConverterOption option)
-    {
-        if (Korean)
-            return StringConverter2KOR.SetString(destBuffer, value, maxLength, option);
-        return StringConverter2.SetString(destBuffer, value, maxLength, Language, option);
-    }
+        => StringConverter2.SetString(destBuffer, value, maxLength, Language, option);
     public override int GetStringTerminatorIndex(ReadOnlySpan<byte> data)
-        => Korean ? StringConverter2KOR.GetTerminatorIndex(data) : TrashBytesGB.GetTerminatorIndex(data);
+        => (!Japanese && StringConverter2KOR.IsHangul(data)) ? StringConverter2KOR.GetTerminatorIndex(data) : TrashBytesGB.GetTerminatorIndex(data);
     public override int GetStringLength(ReadOnlySpan<byte> data)
-        => Korean ? StringConverter2KOR.GetStringLength(data) : TrashBytesGB.GetStringLength(data);
+        => (!Japanese && StringConverter2KOR.IsHangul(data)) ? StringConverter2KOR.GetStringLength(data) : TrashBytesGB.GetStringLength(data);
     public override int GetBytesPerChar() => 1;
 
     /// <summary>
diff --git a/PKHeX.Core/PKM/Strings/StringConverter2.cs b/PKHeX.Core/PKM/Strings/StringConverter2.cs
index f7d7ed347..067e23989 100644
--- a/PKHeX.Core/PKM/Strings/StringConverter2.cs
+++ b/PKHeX.Core/PKM/Strings/StringConverter2.cs
@@ -43,6 +43,9 @@ private static bool AllCharsInTable(ReadOnlySpan<byte> data, ReadOnlySpan<char>
     /// <returns>Decoded string.</returns>
     public static string GetString(ReadOnlySpan<byte> data, int language)
     {
+        if (language == (int)LanguageID.Korean || (language != (int)LanguageID.Japanese && StringConverter2KOR.IsHangul(data)))
+            return StringConverter2KOR.GetString(data);
+
         Span<char> result = stackalloc char[data.Length];
         int length = LoadString(data, result, language);
         return new string(result[..length]);
@@ -55,6 +58,9 @@ public static string GetString(ReadOnlySpan<byte> data, int language)
     /// <returns>Character count loaded.</returns>
     public static int LoadString(ReadOnlySpan<byte> data, Span<char> result, int language)
     {
+        if (language == (int)LanguageID.Korean || (language != (int)LanguageID.Japanese && StringConverter2KOR.IsHangul(data)))
+            return StringConverter2KOR.LoadString(data, result);
+
         if (data.Length == 0)
             return 0;
         if (data[0] == TradeOTCode) // In-game Trade
@@ -96,6 +102,9 @@ public static int LoadString(ReadOnlySpan<byte> data, Span<char> result, int lan
     public static int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength, int language,
         StringConverterOption option = StringConverterOption.Clear50)
     {
+        if (language == (int)LanguageID.Korean || (language != (int)LanguageID.Japanese && StringConverter2KOR.IsHangul(value)))
+            return StringConverter2KOR.SetString(destBuffer, value, maxLength, option);
+
         ConditionBuffer(destBuffer, option);
         if (value.Length == 0)
             return 0;
diff --git a/PKHeX.Core/PKM/Strings/StringConverter2KOR.cs b/PKHeX.Core/PKM/Strings/StringConverter2KOR.cs
index 5c3cf1fe2..5678831b2 100644
--- a/PKHeX.Core/PKM/Strings/StringConverter2KOR.cs
+++ b/PKHeX.Core/PKM/Strings/StringConverter2KOR.cs
@@ -13,7 +13,7 @@ public static class StringConverter2KOR
     public const char LineBreak = StringConverter2.LineBreak;
 
     /// <summary>
-    /// Checks if any of the characters inside <see cref="str"/> are from the special Korean codepoint pages.
+    /// Checks if all of the characters inside <see cref="str"/> are from the special Korean codepoint pages.
     /// </summary>
     public static bool GetIsKorean(ReadOnlySpan<char> str)
     {
@@ -25,6 +25,16 @@ public static bool GetIsKorean(ReadOnlySpan<char> str)
         return true;
     }
 
+    /// <summary>
+    /// Checks if the encoded data appears to consist of Korean characters.
+    /// </summary>
+    public static bool IsHangul(ReadOnlySpan<byte> data) => data.Length > 0 && data[0] <= 0xB;
+
+    /// <summary>
+    /// Checks if the string appears to consist of Korean characters.
+    /// </summary>
+    public static bool IsHangul(ReadOnlySpan<char> str) => str.Length > 0 && str[0] is (>= (char)0xAC00 and <= (char)0xD7AF) or (>= (char)0x3130 and <= (char)0x318F) or '　';
+
     /// <summary>
     /// Converts Generation 2 Korean encoded data into a string.
     /// </summary>
diff --git a/PKHeX.Core/Saves/SAV2.cs b/PKHeX.Core/Saves/SAV2.cs
index c5a56146e..f7302a9fa 100644
--- a/PKHeX.Core/Saves/SAV2.cs
+++ b/PKHeX.Core/Saves/SAV2.cs
@@ -778,25 +778,11 @@ public void UnlockAllDecorations()
     }
 
     public override string GetString(ReadOnlySpan<byte> data)
-    {
-        if (Korean)
-            return StringConverter2KOR.GetString(data);
-        return StringConverter2.GetString(data, Language);
-    }
-
+        => StringConverter2.GetString(data, Language);
     public override int LoadString(ReadOnlySpan<byte> data, Span<char> text)
-    {
-        if (Korean)
-            return StringConverter2KOR.LoadString(data, text);
-        return StringConverter2.LoadString(data, text, Language);
-    }
-
+        => StringConverter2.LoadString(data, text, Language);
     public override int SetString(Span<byte> destBuffer, ReadOnlySpan<char> value, int maxLength, StringConverterOption option)
-    {
-        if (Korean)
-            return StringConverter2KOR.SetString(destBuffer, value, maxLength, option);
-        return StringConverter2.SetString(destBuffer, value, maxLength, Language, option);
-    }
+        => StringConverter2.SetString(destBuffer, value, maxLength, Language, option);
 
     public bool IsGBMobileAvailable => Japanese && Version == GameVersion.C;
     public bool IsGBMobileEnabled => Japanese && Enum.IsDefined(GBMobileCable);