Oshikko Party 2
(C57) [Cool Brain (Kitani Sai)] Angel Pain (Seihou Tenshi Angel Links) [English] [Doujinshi-Section]
[COOL BRAIN (Kitani Sai)] Haisetsu Enkou [Digital]
(C58) [Cool Brain (Kitani Sai)] ANGEL PAIN 4 Sweet Obscene Desire (Dead or Alive)
(C91) [Cool Brain (Kitani Sai)] Haisetsu x Shukujo Oshikko Party 2 (Amagami)
[Aoirokanata, Nekonukomarimo (Shikitani Asuka, gamute Nyako)] Inukamix! (Granblue Fantasy) [Digital]
[Anthology] Core Colle Torokeru Kaikan Koumon Acme [Digital]
COMIC Megastore H 2005-08
Comic Megastore H 2008-01
Angel Pain 3 Ninamori Senka {doujins.com}
Bath With Brother
[Cool Brain (Kitani Sai)] Haisetsu Shukujo (Amagami) [Digital] [English] [Chocolate]
(C67) [COOL BRAIN (Kitani Sai)] ANGEL PAIN 14 (Gundam SEED Destiny) [English] [No.1 Idle Translations]
Hatsujouki no Nyan Koishi
[Kitani Sai] Mejirizumu
Muchikko Succubus Choukyou Kaihatsu
COMIC Megastore H 2003-01
〔Fanbox〕「Shiitake Nouen (Kanabun)」Hanoka Yuri x Kitani Chisato - Hajimete no arubaito (ongoing)
[Kitani Sai] Three Switch [English] [N04h] [Decensored]
[Kitani Sai] Himitsu Jugyou
(C71) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 3 -LoveLove Scatology- [English]
(TTC7) [PERFECT SEA (Fujino Yoshika)] Koruri Senpai to Natsuyasumi (Girl Friend BETA) [Incomplete]
COMIC Megastore 2009-04
[COOL BRAIN (Kitani Sai)] ANGEL PAIN Extra 7 -Ryoujoku Scatology- [Digital]
[Kitani Sai] Sister in register #1 [English] [N04h] [Decensored]
(CR27) [Cool Brain (Kitani Sai)] ANGEL PAIN 2-The Angel of Back Scuttle- (Turn A Gundam) [English]
[Kitani Sai] Ahhn ♥ Balance (COMIC Megastore 2012-10) [English] [Swixy Woot] [Decensored]
(C68) [Cool Brain (Kitani Sai)] ANGEL PAIN 15 (Gundam SEED Destiny) [English]
[Nijusei (Various)] FILTH FREAK!! 2 Kinen Goudoushi [Digital]
COMIC Megastore H 2006-07
(C61) [Cool Brain (Kitani Sai)] Angel Pain 8 -A Fictitious Mind- (Final Fantasy X) [English] [SaHa]
[Aoirokanata (Shikitani Asuka)] Saimin de Sukina Musume to Pet na Seikatsu (Granblue Fantasy) [Digital]
(C64) [Cool Brain (Kitani Sai)] ANGEL PAIN-Extra- (Final Fantasy X-2)
COMIC Megastore 2012-03
(SUPER18) [Dolce Canto (Nankiki, Kitani Ikkou)] Nyaan Time (Vocaloid)
(C82) [Cool Brain (Kitani Sai)] Ano Ana (Ano Hi Mita Hana no Namae o Boku-tachi wa Mada Shiranai) [English] =LWB=
Hanoka Yuri x Kitani Chisato - Hajimete no Arbeit
[COOL BRAIN (Kitani Sai)] ANGEL PAIN 17 - Hatsuman. (Bakuman.) [English] [Life4Kaoru] [Digital]
[COOL BRAIN] ANGEL PAIN 13 (Futari wa PreCure) [Digital]
[Fullswing Otome (Takayamanon)] Shinobunokoi (SOUL CATCHER(S)) [Digital]
(C58) [Cool Brain (Kitani Sai)] Angel Pain 3 Ninamori Senka (FLCL)
(C65) [Cool Brain (Kitani Sai)] Angel Pain 12 (Gundam SEED) [Digital]
[COOL BRAIN (Kitani Sai)] Majimekko de suka!? (Original) [Digital]
COMIC Megastore H 2004-03
Comic Megastore H 2004-07
COMIC Megastore H 2007-11
[Kitani Sai] Secret lesson - Himitsu Jugyou [English]
[Kitanishii] - Polychrome
[Cool Brain (Kitani Sai)] Haisetsu Shukujo (Amagami) [Digital]
(C69) [Cool Brain (Kitani Sai)] ANGEL PAIN Extra 2 -Bloomer Scatology-
(C66) [Cool Brain (Kitani Sai)] Angel Pain 13 (Futari wa Precure)
(C74) [COOL BRAIN (Kitani Sai)] Scatolo Limited. (Hatsukoi Limited.)
COMIC Megastore H 2007-01
Chuuburarin no Ashita
[Cool Brain (Kitani Sai)] Scatolo Monkeys / SukaMon Vol.5 - Excretion Restriction (English)
[Kitani Sai] Sister in register 1-2 [English] [N04h] [Decensored]
(C93) [Aoirokanata (Shikitani Asuka)] Gohoushi nara Maid ni Omakase! (Touhou Project) [Chinese] [oo君個人漢化]
(CCOsaka92) [Ikariya (Kitani Ikkou)] MOUSOU Ai! Efu! Jii! (Magi: The Labyrinth of Magic)
(C92) [Aoirokanata (Shikitani Asuka)] Koishi-chan no Himitsugoto 2 (Touhou Project)
(C85) [COOL BRAIN (Kitani Sai)] VIRGIN SHIP HARUHARU (Arpeggio of Blue Steel)