diff --git a/Makefile.mak b/Makefile.mak
index 1421f6af..7a67aac7 100644
--- a/Makefile.mak
+++ b/Makefile.mak
@@ -149,7 +149,7 @@ bin\th05\op.exe: th05\op010.cpp bin\th05\op.obj th05\op011.cpp th05\m_char.cpp b
 $**
 |
 
-bin\th05\main.exe: bin\th05\main.obj bin\th04\slowdown.obj th05\ems.cpp bin\th05\cfg_lres.obj th05\main010.cpp th05\f_dialog.cpp th05\dialog.cpp th05\playfld.cpp th05\main011.cpp th05\p_common.cpp th05\p_reimu.cpp th05\p_marisa.cpp th05\p_mima.cpp th05\p_yuuka.cpp bin\th05\player.obj bin\th05\hud_bar.obj bin\th05\scoreupd.obj th05\hud_ovrl.cpp bin\th04\player_p.obj th05\main014.cpp th05\player_a.cpp bin\th05\bullet_1.obj th05\bullet_c.cpp bin\th03\vector2.obj bin\th03\hfliplut.obj bin\th04\snd_pmdr.obj bin\th04\snd_mmdr.obj bin\th04\snd_mode.obj bin\th05\bullet.obj th05\bullet_t.cpp bin\th04\cdg_p_na.obj bin\th04\snd_se_r.obj bin\th04\snd_se.obj bin\th05\cdg_put.obj bin\th04\exit.obj bin\th05\vector.obj bin\th05\snd_load.obj bin\th05\snd_kaja.obj bin\th05\initmain.obj bin\th05\input_s.obj bin\th05\inp_h_w.obj bin\th05\frmdelay.obj bin\th04\cdg_load.obj bin\th04\scrolly3.obj bin\th04\motion_3.obj th05\gather.cpp th05\main032.cpp th05\mb_dft.cpp th05\laser_sc.cpp th05\curveb_u.cpp bin\th04\it_spl_u.obj th05\bullet_u.cpp th05\main034.cpp th05\main035.cpp th05\boss.cpp
+bin\th05\main.exe: bin\th05\main.obj bin\th04\slowdown.obj th05\ems.cpp bin\th05\cfg_lres.obj th05\main010.cpp th05\f_dialog.cpp th05\dialog.cpp th05\playfld.cpp th05\main011.cpp th05\p_common.cpp th05\p_reimu.cpp th05\p_marisa.cpp th05\p_mima.cpp th05\p_yuuka.cpp bin\th05\player.obj bin\th05\hud_bar.obj bin\th05\scoreupd.obj th05\hud_ovrl.cpp bin\th04\player_p.obj th05\main014.cpp th05\player_a.cpp bin\th05\bullet_1.obj th05\bullet_c.cpp bin\th03\vector2.obj bin\th03\hfliplut.obj bin\th04\snd_pmdr.obj bin\th04\snd_mmdr.obj bin\th04\snd_mode.obj bin\th05\bullet.obj th05\bullet_t.cpp bin\th04\cdg_p_na.obj bin\th04\snd_se_r.obj bin\th04\snd_se.obj bin\th05\cdg_put.obj bin\th04\exit.obj bin\th05\vector.obj bin\th05\snd_load.obj bin\th05\snd_kaja.obj bin\th05\initmain.obj bin\th05\input_s.obj bin\th05\inp_h_w.obj bin\th05\frmdelay.obj bin\th04\cdg_load.obj bin\th04\scrolly3.obj bin\th04\motion_3.obj th05\gather.cpp th05\main032.cpp th05\mb_dft.cpp th05\laser_sc.cpp th05\curveb_u.cpp bin\th04\it_spl_u.obj th05\bullet_u.cpp th05\main034.cpp th05\boss_x.cpp th05\boss.cpp
 	$(CC) $(CFLAGS) $(LARGE_LFLAGS) -3 -Z -DGAME=5 -DBINARY='M' -nbin\th05\ -eMAIN.EXE @&&|
 $**
 |
diff --git a/th05/main035.cpp b/th05/boss_x.cpp
similarity index 70%
rename from th05/main035.cpp
rename to th05/boss_x.cpp
index 280cf0b2..2c89579d 100644
--- a/th05/main035.cpp
+++ b/th05/boss_x.cpp
@@ -1,10 +1,3 @@
-/* ReC98
- * -----
- * 5th part of code segment #3 of TH05's MAIN.EXE
- */
-
-#pragma option -zCmain_035_TEXT
-
 #include "platform.h"
 #include "pc98.h"
 #include "th01/math/subpixel.hpp"
diff --git a/th05_main.asm b/th05_main.asm
index cd5b55f9..c1c21bd9 100644
--- a/th05_main.asm
+++ b/th05_main.asm
@@ -39,7 +39,7 @@ include th05/main/enemy/enemy.inc
 
 main_01 group SLOWDOWN_TEXT, m_TEXT, EMS_TEXT, ma_TEXT, CFG_LRES_TEXT, mai_TEXT, main_TEXT, main__TEXT, PLAYFLD_TEXT, main_0_TEXT, HUD_OVRL_TEXT, DIALOG_TEXT, PLAYER_P_TEXT, main_01_TEXT
 g_SHARED group SHARED, SHARED_
-main_03 group SCROLLY3_TEXT, MOTION_3_TEXT, main_031_TEXT, BULLET_A_TEXT, main_032_TEXT, main_033_TEXT, MB_DFT_TEXT, LASER_SC_TEXT, CURVEB_U_TEXT, IT_SPL_U_TEXT, BULLET_U_TEXT, main_034_TEXT, main_035_TEXT, main_036_TEXT, BOSS_TEXT
+main_03 group SCROLLY3_TEXT, MOTION_3_TEXT, main_031_TEXT, BULLET_A_TEXT, main_032_TEXT, main_033_TEXT, MB_DFT_TEXT, LASER_SC_TEXT, CURVEB_U_TEXT, IT_SPL_U_TEXT, BULLET_U_TEXT, main_034_TEXT, main_035_TEXT, BOSS_6, BOSS_X_TEXT, main_036_TEXT, BOSS_TEXT
 
 ; ===========================================================================
 
@@ -19669,7 +19669,12 @@ off_1D524	dw offset loc_1D29C
 		dw offset loc_1D49A
 		dw offset loc_1D4BC
 		dw offset loc_1D4DD
+main_035_TEXT	ends
 
+BOSS_6	segment	byte public 'CODE' use16
+BOSS_6	ends
+
+BOSS_X_TEXT	segment	byte public 'CODE' use16
 include th05/main/bullet/b6balls_add_update.asm
 
 ; =============== S U B	R O U T	I N E =======================================
@@ -21528,7 +21533,7 @@ midbossx_update	endp
 	@FIREWAVES_ADD$QIUC procdesc pascal near \
 		amp:word, is_right:byte
 	@firewaves_update$qv procdesc pascal near
-main_035_TEXT	ends
+BOSS_X_TEXT	ends
 
 main_036_TEXT	segment	byte public 'CODE' use16