Hinakan Hi! Vol. 05
COMIC Momohime 2006-08
COMIC Megastore 2008-10
Comic Megastore 2001-02
COMIC HOTMILK 2017-03 [Digital]
(Reitaisai 11) [ROCK CLIME (Danbo)] Kaso Koga Tabe Houdai (Touhou Project)
[Anthology] Kono Hito Chikan Desu! Vol.01
Tsukenaku Temo Daijoubu Desuyo? ~Koga Koharu Hen~ Preview
COMIC Megastore 2008-09
COMIC Momohime 2006-12 Vol. 74
COMIC HOTMILK 2019-06
HAPPY! HAPPY?
Sakuya to Kogane ga Saimin de AV Debut Suru Hon
Chigyaku no Umami
COMIC Muga 2005-04 Vol. 19
COMIC XO 2009-03 Vol. 34
(C89) [Konnyaku nabe (Harasaki)] Kogasa VS Raptors (R-18G Koga Ryona Goudoushi 3 Koga Ryonabe Shime) (Touhou Project) [English] {atomicpuppy}
COMIC Megastore 2010-04
(C83) [Tenny Le Tai (R-Koga)] Chuunibyou Demo Ecchi Shitai (Chuunibyou Demo Koi ga Shitai!)
[Tenny Le Tai] Konoko Nekonoko
COMIC Masyo 2014-12
Bad Summer Vacation
Comic Moe Max Vol.5
[R-Koga] Sodachi Kake - Middle of Growing
COMIC Megastore 2005-11
Tenshi to Akuma
COMIC Masyo 2015-08
(C64) [Shinkouzan Tozantai (Kogawa Yasushi)] Happa Tai 1 (ToHeart, Kizuato, and Magical Antique)
(SC56) [AMAGI AN IRONWORKS (Ebisu)] Laboratory Animals + Hermaphroditism = Passion. (Medaka Box)
(C91) [CELTRANCE (Kogaku Kazuya)] Ma ni Miirareshi Mahou Shoujo wa Mi o Kurai Suitsukusu 2 (Puella Magi Madoka Magica)
COMIC Megastore Alpha 2014-11
BUSTER COMIC 2015-11 [Digital]
(SC2015 Winter) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Shibuya Rin wa Producer no Yume o Miru ka? (THE IDOLM@STER CINDERELLA GIRLS)
[R-Koga] Hiyake Sex Enikki - Picture Diary of a xxx with the Suntanned [Digital]
COMIC Megastore 2010-07
(C87) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Fallen Angela (Rakuen Tsuihou -Expelled from Paradise-)
COMIC HOTMILK 2019-01
COMIC Megastore Alpha 2014-06
蓋を閉じれば匣の中
Aogami Shoujo no Junan - The Passion of Blue Hair Girls
Jun-Ai Kajitsu 2002-11
COMIC Mate Legend Vol. 30 2019-12
[Koga Ryohei] El-tentacle Birth Lady's Mk.B Ex.1
COMIC Masyo 2017-01
COMIC HOTMILK 2020-03
Koi no Chaban Gekijou
COMIC HOTMILK 2021-03
COMIC Masyo 2018-08 [Digital]
[Kogaino] Senpai Ijime
Loli Neko HARD
[R-Koga] Soushoku Danshi ga Kemono SEX ni Hamaru made.
Kokoro Ubaware Koi Kogare
COMIC Megastore 2009-02
COMIC Masyo 2019-09