diff --git a/GameServer/Server/CallGS/Handlers/Chapter/Chapter_EnterLevel.cs b/GameServer/Server/CallGS/Handlers/Chapter/Chapter_EnterLevel.cs
new file mode 100644
index 0000000..d0e50e8
--- /dev/null
+++ b/GameServer/Server/CallGS/Handlers/Chapter/Chapter_EnterLevel.cs
@@ -0,0 +1,15 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Chapter;
+
+// Success response shape expected by Lua:
+// { nSeed = random_number }
+[CallGSApi("Chapter_EnterLevel")]
+public class Chapter_EnterLevel : ICallGSHandler
+{
+    private static readonly Random Random = new();
+
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        var rsp = $"{{\"nSeed\":{Random.Next(1, 1000000000)}}}";
+        await CallGSRouter.SendScript(connection, "Chapter_EnterLevel", rsp);
+    }
+}