(C65) [Cool Brain (Kitani Sai)] Angel Pain 12 (Gundam SEED)
(C86) [COOL BRAIN (Kitani Sai)] DATENSINON (Sword Art Online) [English] [CrayZayJay]
[Kitani Sai] Sweet Pitfall (Comic Megastore H 2007-08) [English] [Takehiro]
(C72) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 4 -Ojou-sama Scatology-
COMIC Megastore H 2006-07
Comic Megastore H 2004-07
[Cool Brain (Kitani Sai)] Yogoreta Mirai (Gundam Build Fighters Try) [Digital]
[Anthology] Love Chara Taizen No. 6
[Cool Brain (Kitani Sai)] Scatolo Monkeys / SukaMon Vol.5 - Haisetsu Gentei.
(C72) [COOL BRAIN (Kitani Sai)] Scatolo Monkeys / SukaMon Vol. 3 - Summer Scat [English]
Hatsujouki no Nyan Koishi
Chuutte Shite 3 | Give Me An Enema 3
Hanoka Yuri x Kitani Chisato - Hajimete no Arbeit
COMIC Megastore H 2003-05
COMIC Megastore Alpha 2014-06
COMIC Megastore H 2007-01
Haisetsu x Shukujo Oshikko Party
Hero no Yuuutsu Inran Rehabilitation Chuuhen
(C60) [Cool Brain (Kitani Sai)] ANGEL PAIN 7 -A Life Less Ordinary- (Sakura Taisen)
COMIC Megastore H 2003-03
(C94) [Aoirokanata (Shikitani Asuka)] Chikan Addiction (Touhou Project)
〔Fanbox〕「Shiitake Nouen (Kanabun)」Hanoka Yuri x Kitani Chisato - Hajimete no arubaito (ongoing)
Nyan Koishi no Milk
(C57) [Cool Brain (Kitani Sai)] Angel Pain (Seihou Tenshi Angel Links) [English] [Doujinshi-Section]
(C95) [Aoirokanata, Nekonukomarimo (Shikitani Asuka, gamute Nyako)] Inukamix! (Granblue Fantasy) [Chinese] [脸肿汉化组]
Angel Pain 3 Ninamori Senka {doujins.com}
Scatolo Limited.
COMIC Megastore H 2003-07
(C92) [Aoirokanata (Shikitani Asuka)] Saimin de Sukina Musume to Pet na Seikatsu (Granblue Fantasy)
(C64) [Cool Brain (Kitani Sai)] Angel Pain 11 (Gundam SEED)
Shinobunokoi (SOUL CATCHER(S))
(同人誌) [COOL BRAIN] ラブスカ
(C93) [Aoirokanata (Shikitani Asuka)] Gohoushi nara Maid ni Omakase! (Touhou Project) [Chinese] [oo君個人漢化]
COMIC Megastore 2013-01
ANGEL PAIN 6
Comic Megastore H 2005-05
[COOL BRAIN (Kitani Sai)] Oshikko Party (Amagami) [Digital]
(C82) [COOL BRAIN (Kitani Sai)] AKUMERU WORLD (Accel World)
Haisetsu Enkou
(C89) [Shikitani Asuka (Aoiro Kanata)] Koishi-chan no Himitsugoto (Touhou Project)
COMIC Megastore 2009-07
[Cool Brain (Kitani Sai)] Onesuka Junbigou
[COOL BRAIN (Kitani Sai)] Chuutte Shite 2 | Give Me An Enema 2 [English] {Afro} [Digital]
[Kitani Sai] Ride On You (Mejirizumu) [English] =TLL + mrwayne=
Angel Pain
(C58) [Cool Brain (Kitani Sai)] ANGEL PAIN 4 Sweet Obscene Desire (Dead or Alive)
[Kitanishii] - Polychrome
COMIC Megastore H 2002-11
(C58) [Cool Brain (Kitani Sai)] Angel Pain 3 Ninamori Senka (FLCL)
COMIC Megastore H 2004-08
(C89) [Aoirokanata (Shikitani Asuka)] Koishi-chan no Himitsugoto (Touhou Project)
[Kitani Sai] Ahhn ♥ Balance (COMIC Megastore 2012-10) [English] [Swixy Woot]
(C73) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 5 -NATSUTSUKA- [English]
(C95) [Aoirokanata, Nekonukomarimo (Shikitani Asuka, gamute Nyako)] Inukamix! (Granblue Fantasy)
[COOL BRAIN (Kitani Sai)] ANGEL PAIN 17 - Hatsuman. (Bakuman.) [English] [Life4Kaoru] [Digital]
(C80) [Cool Brain (Kitani Sai)] Scaplus + (Love Plus)
[rebirth] 黒髪の不覚 其の一
Muchikko Succubus Choukyou Kaihatsu | An Innocent Succubus' Development Training
(C94) [Aoirokanata (Shikitani Asuka)] Chikan Addiction (Touhou Project) [Chinese] [绅士仓库汉化]
COMIC Koh 2018-05 [Digital]
Comic Megastore-H 2006-04 Vol. 41
Chuutte Shite
Comic Megastore H 2008-04
[Kitani Sai] Himitsu Jugyou
COMIC Megastore 2012-10
(CR27) [Cool Brain (Kitani Sai)] ANGEL PAIN 2-The Angel of Back Scuttle- (Turn A Gundam) [English]
(C85) [COOL BRAIN (Kitani Sai)] VIRGIN SHIP HARUHARU (Arpeggio of Blue Steel)
(C74) [COOL BRAIN (Kitani Sai)] Scatolo Limited (Hatsukoi Limited)
(C89) [Aoirokanata (Shikitani Asuka)] Koishi-chan no Himitsugoto (Touhou Project) [Chinese] [脸肿汉化组]
(C61) [Cool Brain (Kitani Sai)] Angel Pain 8 -A Fictitious Mind- (Final Fantasy X)
(C85) [COOL BRAIN (Kitani Sai)] VIRGIN SHIP HARUHARU (Arpeggio of Blue Steel) [English] =LWB=
(C68) [Cool Brain (Kitani Sai)] ANGEL PAIN 15 (Gundam SEED Destiny)
COMIC Megastore 2009-04
[Aoirokanata (Shikitani Asuka)] Saimin de Sukina Musume to Pet na Seikatsu (Granblue Fantasy) [Chinese] [瑞树汉化组] [Digital]
(SUPER18) [Dolce Canto (Nankiki, Kitani Ikkou)] Nyaan Time (Vocaloid)
COMIC Megastore H 2007-08
(C76) [Cool Brain (Kitani Sai)] B-ON (K-ON!)
(C73) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 5 -NATSUTSUKA-
[Kitani Sai] Sister in register 1-2 [English] [N04h] [Decensored]
[Kitani Sai] Houkago, Kyoushitsu de.
[COOL BRAIN (Kitani Sai)] Chuutte Shite 3 [Digital]
ANGEL PAIN 9
(CR27) [Cool Brain (Kitani Sai)] ANGEL PAIN 2-The Angel of Back Scuttle- (Turn A Gundam)
(C60) [Cool Brain (Kitani Sai)] Angel Pain 6 (Sakura Taisen)
[Kitani Sai] Mejirizumu | 女尻韻律 [Chinese]
COMIC Megastore H 2005-03
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Digital]
[Kitani Sai] Ana Sis Ch.1-2 (Complete)
Oshikko Party 2
COMIC Megastore H 2004-03
[Kitani Sai] A-kan Ressha de Ike!! (Comic Megastore-H 2005-01) [English]
[COOL BRAIN (Kitani Sai)] Oshikko Party (Amagami) [Chinese] [Digital]
COMIC Megastore H 2007-06
[COOL BRAIN (Kitani Sai)] Majimekko de suka!?
(C58) [Cool Brain (Kitani Sai)] Angel Pain 3 Ninamori Senka (FLCL) [English] {doujins.com}