diff --git a/src/sys/ags.cpp b/src/sys/ags.cpp
index 262b057..8ae3c11 100644
--- a/src/sys/ags.cpp
+++ b/src/sys/ags.cpp
@@ -225,7 +225,6 @@ AGS::AGS(const Config& config, const GameId& game_id) : game_id(game_id)
 
 	// CG表示
 	cg_dest = std::nullopt;
-	get_palette = extract_palette = extract_cg = true;
 	palette_bank = -1;
 
 	// マウスカーソル
diff --git a/src/sys/ags.h b/src/sys/ags.h
index 640ffe0..6109b28 100644
--- a/src/sys/ags.h
+++ b/src/sys/ags.h
@@ -50,6 +50,12 @@ struct CG {
 	SDL_Palette* palette() const { return surface_->format->palette; }
 };
 
+enum CgFlags {
+	CG_EXTRACT_CG = 1,
+	CG_EXTRACT_PALETTE = 2,
+	CG_GET_PALETTE = 4,
+};
+
 class AGS
 {
 protected:
@@ -77,11 +83,11 @@ private:
 	SDL_Cursor* hCursor[10];
 
 	// AGS
-	CG load_gm3(const std::vector<uint8_t>& data, int transparent); // Intruder -桜屋敷の探索-
-	CG load_vsp2l(const std::vector<uint8_t>& data, int transparent); // Little Vampire
-	CG load_gl3(const std::vector<uint8_t>& data, bool set_palette, int transparent);
-	CG load_pms(int page, const std::vector<uint8_t>& data, bool set_palette, int transparent);
-	CG load_vsp(const std::vector<uint8_t>& data, bool set_palette, int transparent);
+	CG load_gm3(const std::vector<uint8_t>& data, int transparent, uint8_t flags); // Intruder -桜屋敷の探索-
+	CG load_vsp2l(const std::vector<uint8_t>& data, int transparent, uint8_t flags); // Little Vampire
+	CG load_gl3(const std::vector<uint8_t>& data, bool set_palette, int transparent, uint8_t flags);
+	CG load_pms(int page, const std::vector<uint8_t>& data, bool set_palette, int transparent, uint8_t flags);
+	CG load_vsp(const std::vector<uint8_t>& data, bool set_palette, int transparent, uint8_t flags);
 
 	void draw_char(int dest, int dest_x, int dest_y, uint16 code, TTF_Font* font, uint8 color);
 	void draw_char_antialias(int dest, int dest_x, int dest_y, uint16 code, TTF_Font* font, uint8 color, uint8 cache[]);
@@ -103,9 +109,9 @@ public:
 
 	void update_screen();
 
-	void load_cg(int page, int transparent);
+	void load_cg(int page, int transparent, uint8_t flags);
 	// Decodes a CG without drawing it, but still updates the palette.
-	CG load_cg_surface(int page, int transparent = -1);
+	CG load_cg_surface(int page, int transparent, uint8_t flags);
 	// Returns an ACG page bytes, without decoding it.
 	std::vector<uint8_t> load_cg_data(int page) { return acg.load(page); }
 	void blit_cg(int dest, CG& cg, const SDL_Rect* src, int dx, int dy);
@@ -161,7 +167,7 @@ public:
 		menu_w[index - 1].frame = frame;
 	}
 
-	void load_cursor(int page);
+	void load_cursor(int page, uint8_t flags);
 	void select_cursor();
 	void translate_mouse_coords(int* x, int* y);
 
@@ -213,9 +219,6 @@ public:
 
 	// CG表示
 	std::optional<SDL_Point> cg_dest;
-	bool get_palette;
-	bool extract_palette;
-	bool extract_cg;
 	std::unordered_set<int> censor_list;
 	std::unordered_set<int> ignore_palette;
 	int palette_bank;
diff --git a/src/sys/ags_cursor.cpp b/src/sys/ags_cursor.cpp
index d3728e5..37d53e2 100644
--- a/src/sys/ags_cursor.cpp
+++ b/src/sys/ags_cursor.cpp
@@ -10,7 +10,7 @@
 extern SDL_Window* g_window;
 extern SDL_Renderer* g_renderer;
 
-void AGS::load_cursor(int page)
+void AGS::load_cursor(int page, uint8_t flags)
 {
 	// カーソルCGをロードする
 	auto j_backup = cg_dest;
@@ -19,7 +19,7 @@ void AGS::load_cursor(int page)
 	cg_dest = {0, 0};
 	dest_screen = 1;
 
-	load_cg(page, -1);
+	load_cg(page, -1, flags);
 
 	cg_dest = j_backup;
 	dest_screen = dest;
diff --git a/src/sys/ags_draw.cpp b/src/sys/ags_draw.cpp
index 8626459..b8e19dd 100644
--- a/src/sys/ags_draw.cpp
+++ b/src/sys/ags_draw.cpp
@@ -31,7 +31,7 @@ void mosaic(SDL_Surface* sf) {
 
 }  // namespace
 
-CG AGS::load_cg_surface(int page, int transparent)
+CG AGS::load_cg_surface(int page, int transparent, uint8_t flags)
 {
 	if (bmp_prefix) {
 		WARNING("not implemented");
@@ -41,42 +41,42 @@ CG AGS::load_cg_surface(int page, int transparent)
 	if (data.empty())
 		return CG();
 
-	bool set_palette = extract_palette && !ignore_palette.count(page);
+	bool set_palette = (flags & CG_EXTRACT_PALETTE) && !ignore_palette.count(page);
 	CG cg;
 	switch (game_id.sys_ver) {
 	case 1:
 		switch (game_id.game) {
 		case GameId::BUNKASAI:
 		case GameId::GAKUEN_SENKI:
-			cg = load_vsp(data, set_palette, transparent);
+			cg = load_vsp(data, set_palette, transparent, flags);
 			break;
 		case GameId::INTRUDER:
-			// cg = load_gm3(data, transparent);
-			cg = load_vsp(data, set_palette, transparent);  // 暫定
+			// cg = load_gm3(data, transparent, flags);
+			cg = load_vsp(data, set_palette, transparent, flags);  // 暫定
 			break;
 		case GameId::LITTLE_VAMPIRE:
-			cg = load_vsp2l(data, transparent);
+			cg = load_vsp2l(data, transparent, flags);
 			break;
 		default:
-			cg = load_gl3(data, set_palette, transparent);
+			cg = load_gl3(data, set_palette, transparent, flags);
 			break;
 		}
 		break;
 	case 2:
 		if (game_id.is(GameId::AYUMI_PROTO)) {
 			// あゆみちゃん物語 PROTO
-			cg = load_gl3(data, set_palette, transparent);
+			cg = load_gl3(data, set_palette, transparent, flags);
 		} else if (game_id.is(GameId::AYUMI_FD) || game_id.is(GameId::AYUMI_HINT)) {
 			// あゆみちゃん物語
-			cg = load_vsp(data, set_palette, transparent);
+			cg = load_vsp(data, set_palette, transparent, flags);
 		} else if (game_id.is_sdps()) {
 			// Super D.P.S
-			cg = load_pms(page, data, set_palette, transparent);
+			cg = load_pms(page, data, set_palette, transparent, flags);
 		} else {
 			if(data[0x8] == 0) {
-				cg = load_vsp(data, set_palette, transparent);
+				cg = load_vsp(data, set_palette, transparent, flags);
 			} else {
-				cg = load_pms(page, data, set_palette, transparent);
+				cg = load_pms(page, data, set_palette, transparent, flags);
 			}
 		}
 		break;
@@ -84,10 +84,10 @@ CG AGS::load_cg_surface(int page, int transparent)
 		if(data[0x8] == 0) {
 			if (game_id.is(GameId::FUNNYBEE_FD) || game_id.is(GameId::FUNNYBEE_CD))
 				set_palette = !ignore_palette.count(page);
-			cg = load_vsp(data, set_palette, transparent);
+			cg = load_vsp(data, set_palette, transparent, flags);
 		} else {
 			set_palette = set_palette || game_id.is(GameId::FUNNYBEE_CD);
-			cg = load_pms(page, data, set_palette, transparent);
+			cg = load_pms(page, data, set_palette, transparent, flags);
 		}
 		break;
 	}
@@ -119,9 +119,9 @@ void AGS::blit_cg(int dest, CG& cg, const SDL_Rect* src, int dx, int dy)
 	}
 }
 
-void AGS::load_cg(int page, int transparent)
+void AGS::load_cg(int page, int transparent, uint8_t flags)
 {
-	CG cg = load_cg_surface(page, transparent);
+	CG cg = load_cg_surface(page, transparent, flags);
 	if (!cg)
 		return;
 
@@ -132,7 +132,7 @@ void AGS::load_cg(int page, int transparent)
 		cg_dest = std::nullopt;
 	}
 
-	if (extract_cg)
+	if (flags & CG_EXTRACT_CG)
 		blit_cg(dest_screen, cg, NULL, cg.x, cg.y);
 }
 
diff --git a/src/sys/ags_gl3.cpp b/src/sys/ags_gl3.cpp
index 4991420..cda29b1 100644
--- a/src/sys/ags_gl3.cpp
+++ b/src/sys/ags_gl3.cpp
@@ -7,7 +7,7 @@
 #include "ags.h"
 #include <string.h>
 
-CG AGS::load_gl3(const std::vector<uint8_t>& data, bool set_palette, int transparent)
+CG AGS::load_gl3(const std::vector<uint8_t>& data, bool set_palette, int transparent, uint8_t flags)
 {
 	// ヘッダ取得
 	uint16 tmp = (data[0x30] | (data[0x31] << 8)) - 0x8000;
@@ -23,7 +23,7 @@ CG AGS::load_gl3(const std::vector<uint8_t>& data, bool set_palette, int transpa
 	}
 
 	// パレット取得
-	if(get_palette) {
+	if (flags & CG_GET_PALETTE) {
 		SDL_Color colors[16];
 		for(int i = 0; i < 16; i++) {
 			uint8_t b = (data[i * 3 + 0] & 0xf) * 0x11;
diff --git a/src/sys/ags_gm3.cpp b/src/sys/ags_gm3.cpp
index c511757..5c088ca 100644
--- a/src/sys/ags_gm3.cpp
+++ b/src/sys/ags_gm3.cpp
@@ -7,7 +7,7 @@
 #include "ags.h"
 #include <string.h>
 
-CG AGS::load_gm3(const std::vector<uint8_t>& data, int transparent)
+CG AGS::load_gm3(const std::vector<uint8_t>& data, int transparent, uint8_t flags)
 {
 	// ヘッダ取得
 	uint16 tmp = (data[0x30] | (data[0x31] << 8)) - 0x8000;
diff --git a/src/sys/ags_pms.cpp b/src/sys/ags_pms.cpp
index 6570186..89e4149 100644
--- a/src/sys/ags_pms.cpp
+++ b/src/sys/ags_pms.cpp
@@ -8,7 +8,7 @@
 #include "game_id.h"
 #include <string.h>
 
-CG AGS::load_pms(int page, const std::vector<uint8_t>& data, bool set_palette, int transparent)
+CG AGS::load_pms(int page, const std::vector<uint8_t>& data, bool set_palette, int transparent, uint8_t flags)
 {
 	// ヘッダ取得
 	int sx = data[0x0] | (data[0x1] << 8);
@@ -19,7 +19,7 @@ CG AGS::load_pms(int page, const std::vector<uint8_t>& data, bool set_palette, i
 	int height = ey - sy + 1;
 	uint16_t mask = data[0xa] | (data[0xb] << 8);
 
-	if(get_palette) {
+	if (flags & CG_GET_PALETTE) {
 		SDL_Color colors[256];
 		int p = 0x20;
 		for(int i = 0; i < 16; i++) {
diff --git a/src/sys/ags_vsp.cpp b/src/sys/ags_vsp.cpp
index 635a558..5c035c8 100644
--- a/src/sys/ags_vsp.cpp
+++ b/src/sys/ags_vsp.cpp
@@ -26,7 +26,7 @@ void trim(CG& cg, int w, int h)
 
 }  // namespace
 
-CG AGS::load_vsp(const std::vector<uint8_t>& data, bool set_palette, int transparent)
+CG AGS::load_vsp(const std::vector<uint8_t>& data, bool set_palette, int transparent, uint8_t flags)
 {
 	// ヘッダ取得
 	int sx = data[0] | (data[1] << 8);
@@ -47,7 +47,7 @@ CG AGS::load_vsp(const std::vector<uint8_t>& data, bool set_palette, int transpa
 	}
 
 	// パレット取得
-	if(get_palette && transparent != 101) {
+	if ((flags & CG_GET_PALETTE) && transparent != 101) {
 		int p = 0x0a;
 		SDL_Color colors[16];
 		for(int i = 0; i < 16; i++) {
diff --git a/src/sys/ags_vsp2l.cpp b/src/sys/ags_vsp2l.cpp
index 76b9c3a..ebadf23 100644
--- a/src/sys/ags_vsp2l.cpp
+++ b/src/sys/ags_vsp2l.cpp
@@ -7,7 +7,7 @@
 #include "ags.h"
 #include <string.h>
 
-CG AGS::load_vsp2l(const std::vector<uint8_t>& data, int transparent)
+CG AGS::load_vsp2l(const std::vector<uint8_t>& data, int transparent, uint8_t flags)
 {
 	// ヘッダ取得
 	int sx = data[0] | (data[1] << 8);
diff --git a/src/sys/nact.cpp b/src/sys/nact.cpp
index 9797a13..270686e 100644
--- a/src/sys/nact.cpp
+++ b/src/sys/nact.cpp
@@ -33,7 +33,8 @@ NACT::NACT(const Config& config, const GameId& game_id)
 	  game_id(game_id),
 	  encoding(Encoding::create(game_id.encoding)),
 	  strings(config.get_strings(encoding.get(), game_id.language == ENGLISH)),
-	  seed(SDL_GetTicks())
+	  seed(SDL_GetTicks()),
+	  cg_flags(CG_GET_PALETTE | CG_EXTRACT_PALETTE | CG_EXTRACT_CG)
 {
 	platform_initialize();
 
diff --git a/src/sys/nact.h b/src/sys/nact.h
index 59ba0bf..fcb6890 100644
--- a/src/sys/nact.h
+++ b/src/sys/nact.h
@@ -133,6 +133,9 @@ protected:
 	Box box[20];
 	void draw_box(int index);
 
+	uint8_t cg_flags;
+	void load_cg(int page, int transparent);
+
 	struct MenuItem {
 		uint16_t addr;
 		uint8_t verb;
diff --git a/src/sys/nact_gakuenking.cpp b/src/sys/nact_gakuenking.cpp
index c160a1a..0a96a3e 100644
--- a/src/sys/nact_gakuenking.cpp
+++ b/src/sys/nact_gakuenking.cpp
@@ -241,7 +241,7 @@ private:
 	void load_cg_to_work_screen(int page) {
 		int saved = ags->dest_screen;
 		ags->dest_screen = WORK_SCREEN;
-		ags->load_cg(page, -1);
+		load_cg(page, -1);
 		ags->dest_screen = saved;
 	}
 
@@ -623,7 +623,7 @@ private:
 	CG load_map_sheet(int page) {
 		if (page == 0)
 			return CG();
-		CG cg = ags->load_cg_surface(page, TRANSPARENT_COLOR);
+		CG cg = ags->load_cg_surface(page, TRANSPARENT_COLOR, cg_flags);
 		if (!cg)
 			ERROR("map resource error: CG page %d not available", page);
 		return cg;
@@ -1202,7 +1202,7 @@ private:
 		load_cg_to_work_screen(230);
 		// Save the part of the display CG 208 overwrites.
 		ags->copy_screen(0, WORK_SCREEN, 16, 192, 367, 294, 0, 48);
-		ags->load_cg(208, -1);
+		load_cg(208, -1);
 
 		VAR_TROOP_COUNT_FULL = VAR_TROOP_COUNT;
 		draw_troop_counts();
diff --git a/src/sys/nact_sys1.cpp b/src/sys/nact_sys1.cpp
index 1910745..874444f 100644
--- a/src/sys/nact_sys1.cpp
+++ b/src/sys/nact_sys1.cpp
@@ -339,7 +339,7 @@ void NACT_Sys1::cmd_g()
 
 	TRACE("G %d:", page);
 
-	ags->load_cg(page, -1);
+	load_cg(page, -1);
 }
 
 void NACT_Sys1::cmd_l()
@@ -392,7 +392,7 @@ void NACT_Sys1::cmd_u()
 
 	TRACE("U %d,%d:", page, transparent);
 
-	ags->load_cg(page, transparent);
+	load_cg(page, transparent);
 }
 
 void NACT_Sys1::cmd_y()
@@ -543,9 +543,9 @@ public:
 
 	void opening() override {
 		mako->play_music(4);
-		ags->load_cg(3, -1);
+		load_cg(3, -1);
 		WAIT(2000);
-		ags->load_cg(38, -1);
+		load_cg(38, -1);
 		cmd_a();
 		draw_box(0);
 	}
@@ -559,12 +559,12 @@ public:
 
 	void opening() override {
 		mako->set_cd_track(1, 1);
-		ags->load_cg(302, -1);
+		load_cg(302, -1);
 		WAIT(3000);
-		ags->load_cg(303, -1);
+		load_cg(303, -1);
 		WAIT(3000);
 		mako->play_music(1);
-		ags->load_cg(304, -1);
+		load_cg(304, -1);
 		WAIT(4000);
 	}
 
@@ -575,7 +575,7 @@ public:
 		page = (page == 3) ? 94 : page;
 
 		if (enable_graphics)
-			ags->load_cg(page, -1);
+			load_cg(page, -1);
 	}
 
 	void cmd_y() override {
@@ -629,7 +629,7 @@ public:
 
 		if (param != 30 && (param < 34 || param > 46)) {
 			if (enable_graphics) {
-				ags->load_cg(param + 250, -1);
+				load_cg(param + 250, -1);
 			}
 		}
 
@@ -642,13 +642,13 @@ public:
 			// Originally this would have loaded Image 296, the party status bar, to screen 1 for future reference. However, due to trouble with
 			// the palette, I decided to load it before using each subcommand, instead.
 			/*ags->dest_screen = 1;
-			  ags->load_cg(296, -1);
+			  load_cg(296, -1);
 			  ags->dest_screen = 0;*/
 		}
 		else if (param == 30) {
 			// Load party status bar to screen 1.
 			ags->dest_screen = 1;
-			ags->load_cg(296, -1);
+			load_cg(296, -1);
 			ags->dest_screen = 0;
 
 			// Draw Wataru's icon.
@@ -661,7 +661,7 @@ public:
 
 			// Load party status bar to screen 1.
 			ags->dest_screen = 1;
-			ags->load_cg(296, -1);
+			load_cg(296, -1);
 			ags->dest_screen = 0;
 
 			// Draw a blank party icon to init or clear the party box.
@@ -673,7 +673,7 @@ public:
 
 			// Load party status bar to screen 1.
 			ags->dest_screen = 1;
-			ags->load_cg(296, -1);
+			load_cg(296, -1);
 			ags->dest_screen = 0;
 
 			// Draw a party member's icon to the party bar.
@@ -694,9 +694,9 @@ public:
 		: NACT_Sys1(config, game_id) {}
 
 	void opening() override {
-		ags->load_cg(77, -1);
+		load_cg(77, -1);
 		WAIT(1667);
-		ags->load_cg(74, -1);
+		load_cg(74, -1);
 	}
 
 	void cmd_g() override {
@@ -704,7 +704,7 @@ public:
 		TRACE("G %d:", page);
 
 		page = (page == 97) ? 96 : (page == 98) ? 97 : page;
-		ags->load_cg(page, -1);
+		load_cg(page, -1);
 		if (page == 94)
 			WAIT(400);
 		if (page == 81 || page == 82)
@@ -716,7 +716,7 @@ public:
 		int transparent = sco.getd();
 		TRACE("U %d,%d:", page, transparent);
 
-		ags->load_cg(page, 11);
+		load_cg(page, 11);
 		if (page == 5)
 			WAIT(400);
 	}
@@ -781,7 +781,7 @@ public:
 
 			// 矢印を消去する
 			if (map_page) {
-				ags->load_cg(map_page, -1);
+				load_cg(map_page, -1);
 				if (paint_x) {
 					ags->paint(paint_x, paint_y * 2, 2 + 16);
 				}
@@ -806,8 +806,8 @@ public:
 				ags->box_fill(0, 0, 0, 640, 400, 0);
 			} else {
 				// Restore the screen
-				ags->load_cg(74, 8);
-				ags->load_cg(81, -1);
+				load_cg(74, 8);
+				load_cg(81, -1);
 				map_page = 81;
 			}
 		} else if (cmd == 3) {
@@ -838,9 +838,9 @@ public:
 
 	void opening() override {
 		mako->play_music(2);
-		ags->load_cg(1, -1);
+		load_cg(1, -1);
 		WAIT(3000);
-		ags->load_cg(81, -1);
+		load_cg(81, -1);
 	}
 
 	void cmd_y() override {
@@ -880,12 +880,12 @@ public:
 		switch (cmd) {
 		case 130:
 			WAIT(2000);
-			ags->load_cg(180, -1);
+			load_cg(180, -1);
 
 			WAIT(2000);
 			draw_box(0);
 			ags->dest_screen = 1;
-			ags->load_cg(173, -1);
+			load_cg(173, -1);
 			ags->dest_screen = 0;
 			ags->gcopy(0x1ecd, 0x3a2a, 8, 60, 3);
 			WAIT(667);
@@ -1017,7 +1017,7 @@ public:
 			// slowest). Not available in the Hint Disk.
 			break;
 		case 20:
-			ags->load_cg(param, -1);
+			load_cg(param, -1);
 			break;
 		default:
 			exec_y(cmd, param);
diff --git a/src/sys/nact_sys2.cpp b/src/sys/nact_sys2.cpp
index 3814a15..8bf917d 100644
--- a/src/sys/nact_sys2.cpp
+++ b/src/sys/nact_sys2.cpp
@@ -445,7 +445,7 @@ void NACT_Sys2::cmd_g()
 			page--;
 		}
 	}
-	ags->load_cg(page, -1);
+	load_cg(page, -1);
 
 	if (game_id.is(GameId::DALK_HINT)) {
 		if(page == 3) {
@@ -632,7 +632,7 @@ void NACT_Sys2::cmd_u()
 
 	TRACE("U %d,%d:", page, transparent);
 
-	ags->load_cg(page, transparent);
+	load_cg(page, transparent);
 }
 
 void NACT_Sys2::cmd_v()
diff --git a/src/sys/nact_sys3.cpp b/src/sys/nact_sys3.cpp
index e7408cc..b537732 100644
--- a/src/sys/nact_sys3.cpp
+++ b/src/sys/nact_sys3.cpp
@@ -250,7 +250,7 @@ void NACT_Sys3::cmd_g()
 
 	TRACE("G %d:", page);
 
-	ags->load_cg(page, -1);
+	load_cg(page, -1);
 }
 
 void NACT_Sys3::cmd_h()
@@ -622,7 +622,7 @@ void NACT_Sys3::cmd_u()
 	if (game_id.is_rance4x()) {
 		transparent = (transparent == 28) ? 12 : transparent;
 	}
-	ags->load_cg(page, transparent);
+	load_cg(page, transparent);
 }
 
 void NACT_Sys3::cmd_v()
@@ -806,12 +806,14 @@ void NACT_Sys3::exec_y(int cmd, int param)
 			ags->fade_out(param * 16 * 1000 / 60, cmd == 43);
 			break;
 		case 45:
-			ags->extract_palette = param ? true : false;
+			if (param) {
+				cg_flags |= CG_EXTRACT_PALETTE;
+			} else {
+				cg_flags &= ~CG_EXTRACT_PALETTE;
+			}
 			break;
 		case 46:
-			ags->get_palette = (param & 4) ? true : false;
-			ags->extract_palette = (param & 2) ? true : false;
-			ags->extract_cg = (param & 1) ? true : false;
+			cg_flags = param & 7;
 			break;
 		case 60:
 			ags->scroll = param - 400;
@@ -840,7 +842,7 @@ void NACT_Sys3::exec_y(int cmd, int param)
 			mouse_sence = param;
 			break;
 		case 72:
-			ags->load_cursor(param);
+			ags->load_cursor(param, cg_flags);
 			break;
 		case 73:
 			ags->cursor_index = param;
diff --git a/src/sys/nact_window.cpp b/src/sys/nact_window.cpp
index 3898cdd..a3b743e 100644
--- a/src/sys/nact_window.cpp
+++ b/src/sys/nact_window.cpp
@@ -94,3 +94,8 @@ void NACT::draw_box(int index)
 		ags->box_line(ags->dest_screen, b.sx, b.sy, b.ex, b.ey, b.color);
 	}
 }
+
+void NACT::load_cg(int page, int transparent)
+{
+	ags->load_cg(page, transparent, cg_flags);
+}