diff --git a/modules/iidx/iidx30gamesystem.py b/modules/iidx/iidx30gamesystem.py
index fffef8d..b9c6cd0 100644
--- a/modules/iidx/iidx30gamesystem.py
+++ b/modules/iidx/iidx30gamesystem.py
@@ -1,3 +1,5 @@
+from time import time
+
 import config
 
 from fastapi import APIRouter, Request, Response
@@ -18,9 +20,9 @@ async def iidx30gamesystem_systeminfo(request: Request):
     response = E.response(
         E.IIDX30gameSystem(
             E.arena_schedule(
-                E.phase(2, __type="u8"),
+                E.phase(3, __type="u8"),
                 E.start(1605784800, __type="u32"),
-                E.end(1605871200, __type="u32"),
+                E.end(round(time()), __type="u32"),
             ),
             E.CommonBossPhase(val=0),
             E.Event1InternalPhase(val=0),
@@ -50,7 +52,7 @@ async def iidx30gamesystem_systeminfo(request: Request):
                 E.arena_music_difficult(
                     E.play_style(s, __type="s32"),
                     E.arena_class(19, __type="s32"),
-                    E.low_difficult(1, __type="s32"),
+                    E.low_difficult(8, __type="s32"),
                     E.high_difficult(12, __type="s32"),
                     E.is_leggendaria(1, __type="bool"),
                     E.force_music_list_id(0, __type="s32"),
@@ -84,7 +86,7 @@ async def iidx30gamesystem_systeminfo(request: Request):
                     E.index(0, __type="s32"),
                     E.music_id(1000, __type="s32"),
                     E.note_grade(0, __type="s32"),
-                    E.is_active(s, __type="bool"),
+                    E.is_active(0, __type="bool"),
                 )
                 for s in sp_dp
             ],
diff --git a/modules/iidx/iidx30lobby.py b/modules/iidx/iidx30lobby.py
index 07ce81a..39e630f 100644
--- a/modules/iidx/iidx30lobby.py
+++ b/modules/iidx/iidx30lobby.py
@@ -1,3 +1,5 @@
+from time import time
+
 import config
 
 from fastapi import APIRouter, Request, Response
@@ -8,11 +10,54 @@ router = APIRouter(prefix="/lobby", tags=["lobby"])
 router.model_whitelist = ["LDJ"]
 
 
+host = {}
+
+
 @router.post("/{gameinfo}/IIDX30lobby/entry")
 async def iidx30lobby_entry(request: Request):
     request_info = await core_process_request(request)
 
-    response = E.response(E.IIDX30lobby())
+    root = request_info["root"][0]
+    sp_dp = root.find("play_style").text
+    arena_class = root.find("arena_class").text
+    ga = root.find("address/ga").text.split()
+    gp = root.find("address/gp").text
+    la = root.find("address/la").text.split()
+
+    if host and time() < host["time"]:
+        # test menu reset
+        if host["ga"] == ga:
+            is_host = 1
+            host["time"] = time() + 30
+        else:
+            is_host = 0
+        response = E.response(
+            E.IIDX30lobby(
+                E.host(is_host, __type="bool"),
+                E.matching_class(arena_class, __type="s32"),
+                E.address(
+                    E.ga(host["ga"], __type="u8"),
+                    E.gp(host["gp"], __type="u16"),
+                    E.la(host["la"], __type="u8"),
+                ),
+            )
+        )
+    else:
+        host["ga"] = ga
+        host["gp"] = gp
+        host["la"] = la
+        host["time"] = time() + 30
+        response = E.response(
+            E.IIDX30lobby(
+                E.host(1, __type="bool"),
+                E.matching_class(arena_class, __type="s32"),
+                E.address(
+                    E.ga(ga, __type="u8"),
+                    E.gp(gp, __type="u16"),
+                    E.la(la, __type="u8"),
+                ),
+            )
+        )
 
     response_body, response_headers = await core_prepare_response(request, response)
     return Response(content=response_body, headers=response_headers)
@@ -32,6 +77,11 @@ async def iidx30lobby_update(request: Request):
 async def iidx30lobby_delete(request: Request):
     request_info = await core_process_request(request)
 
+    # normal reset
+    del host["ga"]
+    del host["gp"]
+    del host["la"]
+    del host["time"]
     response = E.response(E.IIDX30lobby())
 
     response_body, response_headers = await core_prepare_response(request, response)
diff --git a/modules/iidx/iidx30music.py b/modules/iidx/iidx30music.py
index bec40f9..1413da7 100644
--- a/modules/iidx/iidx30music.py
+++ b/modules/iidx/iidx30music.py
@@ -479,3 +479,14 @@ async def iidx30music_appoint(request: Request):
 
     response_body, response_headers = await core_prepare_response(request, response)
     return Response(content=response_body, headers=response_headers)
+
+@router.post("/{gameinfo}/IIDX30music/arenaCPU")
+async def iidx30music_arenaCPU(request: Request):
+    request_info = await core_process_request(request)
+
+    root = request_info["root"][0]
+
+    response = E.response(E.IIDX30music())
+
+    response_body, response_headers = await core_prepare_response(request, response)
+    return Response(content=response_body, headers=response_headers)
diff --git a/modules/iidx/iidx30pc.py b/modules/iidx/iidx30pc.py
index 78cba06..21e1332 100644
--- a/modules/iidx/iidx30pc.py
+++ b/modules/iidx/iidx30pc.py
@@ -315,6 +315,16 @@ async def iidx30pc_get(request: Request):
                     cube=200,
                     season_id=0,
                 ),
+                E.chat_data(
+                    E.is_chat_0(1, __type="bool"),
+                    E.is_chat_1(1, __type="bool"),
+                    E.is_chat_2(1, __type="bool"),
+                    E.is_chat_3(1, __type="bool"),
+                    chat_type_0="hi",
+                    chat_type_1="hi",
+                    chat_type_2="hi",
+                    chat_type_3="hi",
+                ),
                 play_num=6,
                 play_num_dp=3,
                 play_num_sp=3,