[Kitani Sai] Sweet Pitfall (Comic Megastore H 2007-08) [English] [Takehiro] [Decensored]
Nyan Koishi no Milk
[COOL BRAIN (Kitani Sai)] Chuutte Shite 2 | Give Me An Enema 2 [English] {Afro} [Digital]
COMIC Megastore H 2003-03
Chuutte Shite | Give Me an Enema {Afro}
Muchikko Succubus Choukyou Kaihatsu | An Innocent Succubus' Development Training
(C78) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 10 ~ Scaplus ~ (Love Plus)
ANGEL PAIN 14
[Cool Brain (Kitani Sai)] Scatolo Monkeys / SukaMon Vol.5 - Haisetsu Gentei.
[Kitanishii] - Polychrome
(C73) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 5 -NATSUTSUKA- [English]
COMIC Megastore H 2005-11
(C82) [COOL BRAIN (Kitani Sai)] AKUMERU WORLD (Accel World)
(C89) [Aoirokanata (Shikitani Asuka)] C89 Kaijou Genteibon (Touhou Project)
[Cool Brain (Kitani Sai)] Scaplus (Love Plus) [Digital]
[COOL BRAIN (Kitani Sai)] Majimekko de suka!?
[Cool Brain (Kitani Sai)] ANGEL PAIN Extra 3 -LoveLove Scatology- [Digital]
Majimekko de suka!?
(C86) [COOL BRAIN (Kitani Sai)] DATENSINON (Sword Art Online)
(C89) [Aoirokanata (Shikitani Asuka)] Koishi-chan no Himitsugoto (Touhou Project)
Hero no Yuuutsu Inran Rehabilitation Chuuhen
Haisetsu x Shukujo Oshikko Party
Chuuburarin no Ashita
COMIC Megastore H 2004-03
COMIC Megastore H 2003-11
(C64) [Cool Brain (Kitani Sai)] ANGEL PAIN-Extra- (Final Fantasy X-2)
COMIC Megastore H 2004-08
Oshikko Party 2
(CCOsaka92) [Ikariya (Kitani Ikkou)] MOUSOU Ai! Efu! Jii! (Magi: The Labyrinth of Magic)
(Kouroumu 10) [Aoirokanata (Shikitani Asuka)] Gokkun KoiFla Milk - Koishi & Fran's Milk (Touhou Project) [Chinese] [CE家族社]
(C71) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 3 -LoveLove Scatology-
(C61) [Cool Brain (Kitani Sai)] Angel Pain 8 -A Fictitious Mind- (Final Fantasy X)
[Kitani Sai] Houkago, Kyoushitsu de.
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Chinese] [Digital]
(C94) [Aoirokanata (Shikitani Asuka)] Chikan Addiction (Touhou Project) [Chinese] [绅士仓库汉化]
Chuutte Shite
(Kouroumu 10) [Aoirokanata (Shikitani Asuka)] Gokkun KoiFla Milk - Koishi & Fran's Milk (Touhou Project) [English] {Hennojin}
[COOL BRAIN (Kitani Sai)] Chuutte Shite | Give Me an Enema [English] {Afro} [Digital]
(C86) [COOL BRAIN (Kitani Sai)] DATENSINON (Sword Art Online) [English] [CrayZayJay]
[Cool Brain (Kitani Sai)] Yogoreta Mirai (Gundam Build Fighters Try) [Digital]
Comic Megastore H 2008-04
(C85) [COOL BRAIN (Kitani Sai)] VIRGIN SHIP HARUHARU (Arpeggio of Blue Steel)
COMIC Megastore H 2005-03
COMIC Megastore H 2005-06
[Fullswing Otome (Takayamanon)] Shinobunokoi (SOUL CATCHER(S)) [Digital]
(C72) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 4 -Ojou-sama Scatolog- (Original) [English]
COMIC Megastore 2012-03
[Kitani Sai] A-kan Ressha de Ike!! (Comic Megastore-H 2005-01) [English]
(CR27) [Cool Brain (Kitani Sai)] ANGEL PAIN 2-The Angel of Back Scuttle- (Turn A Gundam)
[Kitani Sai] Joshi Ana
(C64) [Cool Brain (Kitani Sai)] Angel Pain 11 (Gundam SEED)
(C62) [Cool Brain (Kitani Sai)] Angel Pain 9 (Onegai Teacher)
Muchikko Succubus Choukyou Kaihatsu
COMIC Megastore 2009-04
[COOL BRAIN (Kitani Sai)] Majimekko de suka!? (Original) [Digital]
(C82) [Cool Brain (Kitani Sai)] Ano Ana (Ano Hi Mita Hana no Namae o Boku-tachi wa Mada Shiranai) [English] =LWB=
[Kitani Sai] Mejirizumu | 女尻韻律 [Chinese]
(C58) [Cool Brain (Kitani Sai)] Angel Pain 3 Ninamori Senka (FLCL) [English] {doujins.com}
(C93) [Aoirokanata (Shikitani Asuka)] Gohoushi nara Maid ni Omakase! (Touhou Project) [Chinese] [好想玩梗汉化组]
COMIC Megastore H 2005-08
[COOL BRAIN (Kitani Sai)] ANGEL PAIN 17 - Hatsuman. (Bakuman.) [Digital]
[COOL BRAIN (Kitani Sai)] Oshikko Party (Amagami) [Digital]
(C92) [Aoirokanata (Shikitani Asuka)] Saimin de Sukina Musume to Pet na Seikatsu (Granblue Fantasy)
(C92) [Aoirokanata (Shikitani Asuka)] Saimin de Sukina Musume to Pet na Seikatsu (Granblue Fantasy) [English] {doujins.com}
[Anthology] Love Chara Taizen No. 6
COMIC Megastore H 2004-06
Comic Megastore H 2004-07
[COOL BRAIN (Kitani Sai)] Oshikko Party 2 (Amagami) [Digital]
Chuutte Shite 3 | Give Me An Enema 3
(C76) [Cool Brain (Kitani Sai)] B-ON (K-ON!)
[COOL BRAIN] ANGEL PAIN 13 (Futari wa PreCure) [Digital]
COMIC Megastore H 2007-06
(C63) [Cool Brain (Kitani Sai)] Angel Pain 10 (Dead or Alive Xtreme Beach Volleyball)
[Aoirokanata (Shikitani Asuka)] Lancelot o ni suru Hon (Granblue Fantasy) [Digital]
[Nijusei (Various)] FILTH FREAK!! 2 Kinen Goudoushi [Digital]
[Cool Brain (Kitani Sai)] Scatolo Monkeys / SukaMon Vol.5 - Excretion Restriction (English)
[UNAGI] YATAMISA ON THE SHORTCAKE [K]
(C94) [Aoirokanata (Shikitani Asuka)] Chikan Addiction (Touhou Project)
(C95) [Aoirokanata, Nekonukomarimo (Shikitani Asuka, gamute Nyako)] Inukamix! (Granblue Fantasy)
(C89) [Cool Brain (Kitani Sai)] Haisetsu x Shukujo Oshikko Party (Amagami)
(C57) [Cool Brain (Kitani Sai)] Angel Pain (Seihou Tenshi Angel Links) [English] [Doujinshi-Section]
(C57) [Cool Brain (Kitani Sai)] Angel Pain (Seihou Tenshi Angel Links)
COMIC Megastore 2011-11
(C72) [COOL BRAIN (Kitani Sai)] Scatolo Monkeys / SukaMon Vol. 3 - Summer Scat [English]
Secret lesson - Himitsu Jugyou
(TTC7) [PERFECT SEA (Fujino Yoshika)] Koruri Senpai to Natsuyasumi (Girl Friend BETA) [Incomplete]
Shinobunokoi (SOUL CATCHER(S))
(C70) [Cool Brain (Kitani Sai)] Angel Pain 16: Chain Princess (Final Fantasy XII)
(SUPER25) [Maibotsu (Akitani)] Masshiro no Hakoniwa (Owari no Seraph)
〔Fanbox〕「Shiitake Nouen (Kanabun)」Hanoka Yuri x Kitani Chisato - Hajimete no arubaito (ongoing)
ANGEL PAIN 6
[Kitani Sai] Mejirizumu [Chinese]