Comic Megastore 2004-11
[Anthology] Angel Halo Vol.1
(C75) [abgrund (udk)] Taru Yume 0 (Narutaru) [Chinese] [Incomplete]
(C89) [Penpengusa Club (Katase Minami, Nekoga Yoshiki)] Ferry-chan ni Ecchi na Koto o Oshiechau Usui Hon 2 (Granblue Fantasy)
COMIC Momohime 2007-01
[Hakidame no Koganemushi (Koganemushi)] Nikutai Henka Shoujo Yawa ~MaGal Kissa no Nanokakan~ (Kantai Collection -KanColle-) [Digital]
(C75) [CELTRANCE (Kogaku Kazuya)] Seigeki Shiei! (Lucky Star) [Chinese] [诱骗者迪卡伊个人汉化]
COMIC Masyo 2015-12 [Digital]
(C94) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] ETOILE (Shoujo Kageki Revue Starlight)
Amaesasete! Kogasa-chan!
Ameiro Mitsumine One Room
[Lolimate Seizou Koujou (Lolimate)] Uso no Odorokashikata o Oshierarete Tokuige ni Jissen suru Kogasa-chan (Touhou Project) [Digital]
[R-Koga] Soushoku Danshi ga Kemono SEX ni Hamaru made.
俺のオカズだった人気配信者が実は人妻だと知ってしまい、口止めのために何でもシてもらうことになった話
[Anthology] Hinakan 9
Nue Koga ni Ippouteki ni Sakusei Sareru Hon
[Shinchintaisha Company (Satou Takahiro)] Soul of Darkness (SOULCALIBUR)
[Toufuya (Various)] Toufuya Jyuuchou (Various)
[R-Koga] Higyaku Kyoushitsu [Chinese]
COMIC Megastore 2009-01
COMIC HOTMiLK 2013-07
COMIC HOTMILK 2018-06 [Digital]
COMIC Momohime 2006-02
(C83) [Tenny Le Tai (R-Koga)] Chuunibyou Demo Ecchi Shitai (Chuunibyou Demo Koi ga Shitai!)
COMIC Masyo 2016-02
Hinakan Hi! Vol. 05
COMIC HOTMILK 2017-06 [Digital]
[R-Koga] Hiyake Sex Enikki - Picture Diary of a xxx with the Suntanned [Digital]
Mutant Colors Vol. 2
(C94) [Goromenz (Yasui Riosuke)] Hamedori Koga-tan (THE iDOLM@STER: Shiny Colors)
Comic Megastore 2003-09
COMIC HOTMILK 2019-01 [Digital]
(C88) [STUDIO Hamachigumi (Mizuki Hitoshi)] Ganbare ❤ Kogasa-san (Touhou Project)
COMIC Megastore 2009-06
[Bū Tarō] Angel & Demon (Futanari)
[Kogaino] Black Five [English]
[Konnyaku Nabe (magifuro Konnyaku)] Odoroki no Kogasa dezumu (Touhou Project) [Digital]
COMIC Masyo 2012-12
COMIC Momohime 2005-08
COMIC HOTMILK 2016-09 [Digital]
(C75) [abgrund (udk)] BD! (Narutaru)
COMIC Megastore 2007-08
[Anthology] Kemono For Essential 3
COMIC Mugen Tensei 2017-05 [Digital]
COMIC HOTMILK 2016-12
(C44) [Tenny Le Tai (R-Koga, Pia Pia)] Lunar Dancer (Bishoujo Senshi Sailor Moon)
(C94) [Kansai Gyogyou Kyoudou Kumiai (Marushin)] Idol Nara Seikoushou No Kokoroe Kurai Arubeki Dato Omouyo Kogane Chan (THE iDOLM@STER: Shiny Colors) [Chinese] [無邪気漢化組]
[Anthology] Bishoujo Asobi - Cutie Pets [Chinese]
Comic Megastore 2007-12
(C81) [Tenny Le Tai (R-Koga)] Imouto-tachi wa Asoko ga Setsunai (Boku wa Tomodachi ga Sukunai)
(CR35) [Tsurikichi Doumei (Kogawa Masayoshi, Kosuke)] Oudou ~Jikkon no Power Bomb no Shou~ (Various)
COMIC XO 2007-10 Vol. 17
[Yaburi Dokoro (Hakano Shinshi)] Kogasa-chan no Shojo o Ubatte Haramase Mata Okasu Hon | The Raping, Impregnating and Popping of Kogasa-chan's Cherry Book (Touhou Project) [English] [Digital]
COMIC HOTMILK 2018-10 [Digital]
Surprise Meister KogaNue
Comic Megastore 2001-12
(C65) [Niitakayama Tozantai (Kogawa Yasushi)] Card Captor Sakura + Zoukyou Kaiteiban (CardCaptor Sakura, Hyper Police, Sakura Taisen)
[Kogaino] Sonna Anata ga Sukina Node | I Like It When You're Like That [English] [DesuDesu] [Decensored]
[R-Koga] VR Series [Digital]
COMIC Momohime 2004-01
Tayutama2 Visual Art Fanbook
oh! My Skin
(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-)
Rokudenashina Koi wa Magical de Twinkle ni Hansei Shiyagare
(SC2015 Summer) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Bell-kun wa Uwakimono | Bell-kun Is A Cheater! (Dungeon ni Deai o Motomeru no wa Machigatteiru Darou ka) [English] [hopeless408]
[Pyramid House (Muscleman)] Boukoku no Elf Hime [English] [EHCOVE]
[TSF no F (meito)] Sakyubasu ♀ ni Kyousei Tenshoku sa se Rareta Ore ♂ | I (♂) was forcibly changed into a succubus (♀) [Digital]
(C78) [Aichiko (ubizo)] Nekogami Akira-sama to Issho. (Lucky Star)
COMIC Megastore 2009-05
Shiny Ero Side A
Comic Megastore 2004-10
COMIC Megastore Alpha 2015-07
Sakuya to Kogane ga Saimin de AV Debut Suru Hon
Akogare Kanojo no Risou to Genjitsu | My Crush: Expectation vs Reality
(COMIC1☆4) [STUDIO Hamachigumi (Mizuki Hitoshi)] Sanae-san to Kogasa-san (Touhou Project) [English] [CGrascal]
[R-Koga] Momi no Ie