diff --git a/game_compatibility.md b/game_compatibility.md
index 7aad3ad..84b44a0 100644
--- a/game_compatibility.md
+++ b/game_compatibility.md
@@ -55,7 +55,7 @@ Game Compatibility
 | Rance 5D - The Lonely Girl (MangaGamer)     | Supported   |       |
 | 俺の下であがけ                              | Unknown     |       |
 | 楽園行                                      | Unknown     |       |
-| 妻みぐい２                                  | Supported   | Opening demo is not supported |
+| 妻みぐい２                                  | Supported   |       |
 | シェル・クレイル                            | Supported   |       |
 | ナイトデーモン                              | Supported   |       |
 | 学園KING                                    | Supported   | From アリスCD |
diff --git a/modules/tDemo/tDemo.c b/modules/tDemo/tDemo.c
index 2dfe750..c127e9c 100644
--- a/modules/tDemo/tDemo.c
+++ b/modules/tDemo/tDemo.c
@@ -1,3 +1,23 @@
+/*
+ * Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
+ *               1998-                           <masaki-c@is.aist-nara.ac.jp>
+ *               2024      kichikuou             <KichikuouChrome@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+*/
 #include "config.h"
 
 #include <stdio.h>
@@ -7,6 +27,16 @@
 #include "xsystem35.h"
 #include "modules.h"
 #include "nact.h"
+#include "alk.h"
+#include "input.h"
+#include "bgm.h"
+#include "sdl_core.h"
+#include "ngraph.h"
+#include "cg.h"
+#include "jpeg.h"
+
+#define TDEMO_MUSIC_NO 1
+#define FPS 30
 
 static void Init() {
 	int p1 = getCaliValue();
@@ -16,7 +46,7 @@ static void Init() {
 	
 	*var = 1;
 	
-	DEBUG_COMMAND_YET("tDemo.Init %d,%d,%d,%p:", p1, p2, p3, var);
+	DEBUG_COMMAND("tDemo.Init %d,%d,%d,%p:", p1, p2, p3, var);
 }
 
 static void SetKeyCancelFlag() {
@@ -33,7 +63,46 @@ static void SetLoopFlag() {
 }
 
 static void Run() {
-	DEBUG_COMMAND_YET("tDemo.Run:");
+	alk_t *alk = alk_new("tDEMO.alk");
+	if (!alk) {
+		WARNING("Cannot open tDEMO.alk");
+		return;
+	}
+
+	while (sys_getInputInfo());  // wait for key up
+
+	musbgm_play(TDEMO_MUSIC_NO, 0, 100);
+
+	uint32_t start = sdl_getTicks();
+	while (!nact->is_quit) {
+		int i = (sdl_getTicks() - start) / (1000 / FPS);
+		if (i >= alk->datanum)
+			break;
+
+		cgdata *cg = jpeg_extract(alk->entries[i].data, alk->entries[i].size);
+		if (cg) {
+			gr_drawimage24(sf0, cg, 0, 0);
+			ags_updateFull();
+			cgdata_free(cg);
+		} else {
+			WARNING("Cannot decode CG %d", i);
+		}
+
+		int wait_ms = (i + 1) * (1000 / FPS) - (sdl_getTicks() - start);
+		if (wait_ms > 0) {
+			if (sys_keywait(wait_ms, KEYWAIT_CANCELABLE))
+				break;
+		} else {
+			if (sys_getInputInfo())
+				break;
+		}
+	}
+
+	musbgm_stop(TDEMO_MUSIC_NO, 0);
+
+	alk_free(alk);
+
+	DEBUG_COMMAND("tDemo.Run:");
 }
 
 static const ModuleFunc functions[] = {