COMIC HOTMILK 2021-05
[R Koga] Neko to Itsumademo | Forever a Cat [English]
Hanayome Ningyou Ch.1-7
[R-Koga] Hiyake Sex Enikki - Picture Diary of a xxx with the Suntanned [Digital]
(C91) [CELTRANCE (Kogaku Kazuya)] Ma ni Miirareshi Mahou Shoujo wa Mi o Kurai Suitsukusu 2 (Puella Magi Madoka Magica) [English] [SMDC]
COMIC HOTMILK 2016-12 [Digital]
[Kogaino] Sonna Anata ga Sukina Node | I Like It When You're Like That [English] [DesuDesu]
[R-Koga] Miseijuku Bitch
(C75) [CELTRANCE (Kogaku Kazuya)] Ao Geki Murasaki Mamoru! (Lucky Star)
Tsukioka Kogane
COMIC Masyo 2016-02
COMIC Masyo 2011-09
[R-Koga] Majime Nanoni Hiyake Bitch ♡
Comic Megastore 2001-06
(C81) [Tenny Le Tai (R-Koga)] Imouto-tachi wa Asoko ga Setsunai (Boku wa Tomodachi ga Sukunai)
COMIC HOTMILK 2017-06
[CELTRANCE (Kogaku Kazuya)] Mama Hame Sex (Tsuya) no Ni [Chinese] [魔劍个人汉化]
(COMIC1☆11) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Eromanga Sensei to Yamada Elf Sensei no Eromanga (Eromanga Sensei)
COMIC HOTMILK 2021-02
COMIC XO 2008-04 Vol.23
[Hakidame no Koganemushi (Koganemushi)] Short Situations [Digital]
Comic Megastore 2004-05
COMIC Momohime 2003-09
(C84) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] ULTIMARATIO (Sword Art Online) [English] [DirtyTranslations]
COMIC Megastore 2011-08
[Anthology] Denei Tamatebako 4 - Utakata no Tenshi-tachi (Various)
[Mikumosou (Yocchi)] Kogasa Seikatsu 2 (Touhou Project) [Digital]
COMIC Megastore 2005-09
(C88) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Idol Gurashi! (THE IDOLM@STER CINDERELLA GIRLS)
(SC2015 Winter) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Shibuya Rin wa Producer no Yume o Miru ka? (THE IDOLM@STER CINDERELLA GIRLS)
COMIC Megastore 2011-07
(C93) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Girl's Mission (Girls und Panzer)
COMIC Megastore Alpha 2015-08
Nue Koga ni Ippouteki ni Sakusei Sareru Hon
Sekai de Ichiban Neko Maid
COMIC Megastore 2013-02
COMIC Mugen Tensei 2017-05
[Koganemushi] Tori TF ni Kansuru Kousatsu to Renshuu
(C70) [Kakogawa-ya (Kakogawa Tarou)] ASHE HAITENAI (Final Fantasy XII)
COMIC Megastore 2004-04
[Kharisma Jati] My Wife's Gangrape Fantasy Ch. 1-7 [Chinese] [沒有漢化]
[Hakidamenokoganemushi]Magical Girl Archives [English][_ragdoll]
ただしくつかいましょう。
COMIC Masyo 2018-02 [Digital]
(C95) [Mix Fry (Takurou)] Bunny Koga-tan (THE iDOLM@STER: Shiny Colors)
(C83) [Takoyaki-batake (Takoyaki) Kogasa Surprise (Touhou Project) [English] [CGrascal]
COMIC Megastore 2005-02
(C78) [abgrund (udk)] Ore no Yome.doc
(777 FESTIVAL 2nd) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Ume Zanmai (Tokyo 7th Sisters)
(C83) [CELTRANCE (Kogaku Kazuya)] Gyakushuu no Akai Hito (Puella Magi Madoka Magica)
m.works vol 1
COMIC Megastore 2011-09
COMIC Masyo 2015-02