diff --git a/EpinelPS/LobbyServer/Sidestory/SetViewed.cs b/EpinelPS/LobbyServer/Sidestory/SetViewed.cs
new file mode 100644
index 0000000..c5c52a2
--- /dev/null
+++ b/EpinelPS/LobbyServer/Sidestory/SetViewed.cs
@@ -0,0 +1,20 @@
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Sidestory
+{
+    [PacketPath("/sidestory/view/set")]
+    public class SetViewed : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            ReqSetViewSideStory req = await ReadData<ReqSetViewSideStory>();
+            User user = GetUser();
+
+            ResSetViewSideStory response = new();
+
+            // TODO
+
+            await WriteDataAsync(response);
+        }
+    }
+}