Succubus School Life 1-nensei Hen
(C86) [CELTRANCE (Kogaku Kazuya)] An→Saya Pakorissimo (Puella Magi Madoka Magica)
(C71) [Circle Daiinma (Akutsu Shun, Kogaino, Neo)] Suki to Tokimeki to Kiss (KiMiKiSS)
BUSTER COMIC 2015-07
COMIC Hime Dorobou 2009-09
COMIC Momohime 2007-06
(C93) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] ROYAL SECRET (Azur Lane)
Comic Megastore 2004-06
(C92) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] EROMANGA DAYS (Eromanga Sensei)
COMIC Megastore 2006-11
Flowers of a lost country
COMIC HOTMILK 2021-03
(C85) [Konnyaku Nabe (magifuro Konnyaku)] Tatara Kogasa Jiken | Tatara Gasacide Incident (Touhou Project) [English]
[Konnyaku Nabe (magifuro Konnyaku)] Odoroki no Kogasa dezumu (Touhou Project) [Digital]
(C84) [Konnyaku Nabe (magifuro Konnyaku)] Koga Ryona Vol. 2 (Touhou Project) [Chinese] [yuanzhongwo渣汉化]
(C94) [Goromenz (Yasui Riosuke)] Hamedori Koga-tan (THE iDOLM@STER: Shiny Colors)
COMIC Megastore Alpha 2013-09
(COMIC1☆13) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Bougin (Ryuuou no Oshigoto!)
COMIC Masyo 2018-02 [Digital]
COMIC Masyo 2011-01
[R-Koga] Sample Me Please
Camp no Susume
(COMIC1☆7) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] CATS AND DOGS (Hentai Ouji to Warawanai Neko.)
※ R18※ Daiharu Ecchi Manga
[Kakogawa Tarou] DOLL HAZARD [Digital]
[Kogaku Kazuya] Sign In + (COMIC Penguin Celeb 2016-01) [Chinese]
COMIC Megastore 2007-11
蓋を閉じれば匣の中
Mad Kogasax
COMIC XO 2009-05 Vol. 36
[Anthology] Kotori-kan Vol 2
[Kogaku Kazuya] Follower Flower (COMIC Penguin Club Sanzokuban 2016-07) [Chinese]
(COMIC1☆8) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Toubu Sensen Ijou Ari (Kantai Collection -KanColle-) [Chinese] [final個人漢化]
COMIC Megastore 2007-03
[R-Koga] Tsuru Tsuru Mumou Chitai
COMIC Megastore 2012-01
[R-Koga] Bubunteki Otonaka Keikaku
COMIC XO 2009-04 Vol.35
(SC62) [Seven Days Holiday (Koga Nozomu, Shinokawa Arumi)] Yamato ga Kite kurenai node Taihou ga Karada o Hatte Teitoku no Onegai o Kiku Hanashi (Kantai Collection -KanColle-) [Chinese] [final個人漢化]
COMIC HOTMILK 2017-12 [Digital]
(C81) [TAIL UP! (Arima Yutaka)] KogaCyclone (Touhou Project)
[Hakidame no Koganemushi (Koganemushi)] Short Situations [Chinese] [K记翻译] [Digital]
Ganbare ❤ Kogasa-san
(C44) [Tenny Le Tai (R-Koga, Pia Pia)] Lunar Dancer (Bishoujo Senshi Sailor Moon)
COMIC Masyo 2021-04
BUSTER COMIC 2014-11
COMIC Megastore Alpha 2014-12
Chigyaku no Umami
[Nozarashi (Nozarashi Satoru)] ROYAL Medaka SCRAMBLE (Medaka Box) [Digital]
Comic Megastore 2001-12
(SC65) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] My Beautiful Dark Deranged Fantasy! (Amagi Brilliant Park) [Chinese] [无毒汉化组]
COMIC Megastore 2008-08
Kimi to Natsuyasumi
(C53) [STUDIO SHARAKU (Sharaku Seiya)] Yoiko no Ratai Book 4 Kai (H2)
(C46) [Tenny Le Tai (Aru Koga)] R Time Special (3x3 Eyes, Ranma 1/2, Sailor Moon)
COMIC HOTMILK 2019-06
COMIC Megastore 2010-03
(COMIC1☆4) [STUDIO Hamachigumi (Mizuki Hitoshi)] Sanae-san to Kogasa-san (Touhou Project)
COMIC Masyo 2010-10
Kimi ni Deawanakereba Mou Sukoshi Matomo datta
[R-Koga] Pink no Hakumaku | Pink Thin Film
[H-Magazine] Comic MoeMax - Vol.009 [2008-02]
[Anthology] Kindan Kanin Vol. 25 Boshi Seikou
(CR29) [Turikichi Doumei (Kogawa Masayoshi, Umedama Nabu)] Tsurikichi-Doumei No Color Bon Ya! (Various)
(C65) [Renrakumou AMI Doujin Section] AMI Jiyuuchou Lolita
[R-Koga] Rokomo
COMIC Megastore 2008-10
[CELTRANCE (Kogaku Kazuya)] CANDY POCKET (Lucky Star) [Digital]
[R-Koga] Majime Nanoni Hiyake Bitch ♡
COMIC Megastore 2007-09
(C83) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] SISTER FAERIE (Sword Art Online) [English] [EHCOVE]
(C83) [Takoyaki-batake (Takoyaki) Kogasa Surprise (Touhou Project)
COMIC Momohime 2002-11
[R-Koga] Innocent Sex
(C81) [TAIL UP! (Arima Yutaka)] KogaCyclone (Touhou Project) [English] [QB-translations]
COMIC Megastore 2011-02
[Tenny Le Tai (R-Koga)] R Time Special (3x3 Eyes, Ranma 1/2, Sailor Moon)
Negi x Kogami Ryoken