COMIC Megastore Alpha 2014-07
COMIC Megastore Alpha 2015-04
(C75) [CELTRANCE (Kogaku Kazuya)] Seigeki Shiei! (Lucky Star) [English] [Shinryu]
COMIC Masyo 2015-12
[Koga Ryohei] El-tentacle Birth Lady's Mk.B Ex.1
COMIC Momohime 2004-03
COMIC Masyo 2018-04 [Digital]
(SPARK11) [Yuushiki (Shinanojima Usa)] Lost Child Seaside (Ensemble Stars!) [English]
Pai Loli Healing
(C78) [CELTRANCE (Kogaku Kazuya)] Choudenji Spin (Toaru Kagaku no Railgun)
COMIC Megastore 2005-10
Tsukenaku Temo Daijoubu Desuyo? ~Koga Koharu Hen~ Preview
(C83) [Seven Days Holiday (Shinokawa Arumi, Kogabo)] Mad Tea Party (Sword Art Online) [English] [EHCOVE]
COMIC Momohime 2003-04 Vol. 30
COMIC HOTMiLK 2013-07
[Anthology] Angel Halo Vol.1
(COMIC1☆10) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Kono Subarashiki Sekai o Mou Ichido - Wonderful World Once Again (Kono Subarashii Sekai ni Syukufuku o!)
Comic Hime Dorobou 2007-11
(C81) [TAIL UP! (Arima Yutaka)] KogaCyclone (Touhou Project)
[R-Koga] Innocent Sex
COMIC Megastore 2009-01
COMIC Masyo 2016-08
COMIC Momohime 2007-04
[R-Koga] Boku ga Kemono SEX ni Hamaru made
Niji Saimin
(SC56) [Amagi Seitetsusho (Ebisu)] Laboratory Animals + Hermaphroditism = Passion (Medaka Box) [English] -Krizalid-
(C89) [Konnyaku nabe (Harasaki)] Kogasa VS Raptors (R-18G Koga Ryona Goudoushi 3 Koga Ryonabe Shime) (Touhou Project) [English] {atomicpuppy}
(C95) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Kinki Shinpan (Sword Art Online)
COMIC Megastore Alpha 2015-12
Comic Megastore 2004-09
Comic Megastore 2001-01
(SC65) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] My Beautiful Dark Deranged Fantasy! (Amagi Brilliant Park) [Chinese] [无毒汉化组]
COMIC Momohime 2006-08
Mitsumine wa Hatachi ni Nari mashita.
Soushuuhen VIRTUAL TO HOLE
[Konnyaku Nabe (magifuro Konnyaku)] Odoroki no Kogasa dezumu (Touhou Project) [Digital]
Secret Garden | 秘密花园
(Hanjuku Hero Life WEST) [Reisei Hormone (Soujiroh, Kikogaminata)] BURN DOWN (My Hero Academia)
(C94) [Kansai Gyogyou Kyoudou Kumiai (Marushin)] Idol Nara Seikoushou No Kokoroe Kurai Arubeki Dato Omouyo Kogane Chan (THE iDOLM@STER: Shiny Colors)
[Kogaino] Black Five [English]
Tsukumimi chapter 14
Kyokon-bu Danshi | Big Cock Club Boys
COMIC Megastore 2011-01
Gekkan Comic Muga 2004-06 Vol.10
COMIC XO 2009-02 Vol.33
COMIC Masyo 2013-12
(C77) [MEGA-MIX (Nekoga Kouki)] To Aru Yumeutsutsu no Railgun (Toaru Kagaku no Railgun)
Comic Megastore 2004-12
COMIC HOTMILK 2016-12
COMIC XO 2009-07 Vol. 38
(C87) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Fallen Angela (Rakuen Tsuihou -Expelled from Paradise-)
COMIC Megastore Alpha 2014-09
(C91) [CELTRANCE (Kogaku Kazuya)] Ma ni Miirareshi Mahou Shoujo wa Mi o Kurai Suitsukusu 2 (Puella Magi Madoka Magica)
Mama ga Idol!? Ch.1-6
(Bokura no Love Live! 6) [nocohica (Yuika)] Kaze wa Kimi Iro (Love Live!) [Chinese] [AJI TEAM]
(C83) [Takoyaki-batake (Takoyaki) Kogasa Surprise (Touhou Project) [English] [CGrascal]
COMIC Megastore 2006-06
[Kogaku Kazuya] Follower Flower (COMIC Penguin Club Sanzokuban 2016-07) [Chinese]
(C87) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Fallen Angela (Rakuen Tsuihou -Expelled from Paradise-) [Chinese] [无毒汉化组]
COMIC Masyo 2016-09 [Digital]
(C63) [Tsurikichi Doumei (Kogawa Masayoshi)] Miu-san! Kumite Onegai Shimassu! | Miu-san Kumite! Please! (Non Dema-R Tankahen) (History's Strongest Disciple Kenichi) [English] [Illuminati-Manga]
COMIC Masyo 2016-09
(C70) [Kakogawa-ya (Kakogawa Tarou)] ASHE HAITENAI (Final Fantasy XII) [English] [Rinruririn]
Shiny Ero Side A
COMIC XO 2007-11 Vol. 18
Tayutama2 Visual Art Fanbook
COMIC Megastore 2007-08
(C64) [Shinkouzan Tozantai (Kogawa Yasushi)] Happa Tai 1 (ToHeart, Kizuato, and Magical Antique)
[CELTRANCE (Kogaku Kazuya)] CANDY POCKET (Lucky Star) [Digital]
Hinakan Hi! Vol. 03
COMIC Megastore 2005-07
[CELTRANCE (Kogaku Kazuya)] Mama Hame Sex (Tsuya) [Chinese] [魔劍个人汉化] [Digital]
(C88) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Idol Gurashi! (THE IDOLM@STER CINDERELLA GIRLS)
Sakuya to Kogane ga Saimin de AV Debut Suru Hon =White Symphony=
Sanae-san to Kogasa-san
Surprise Meister KogaNue
COMIC HOTMILK 2017-05 [Digital]
愛執乳首彼女
(C63) [Tsurikichi Doumei (Kogawa Masayoshi, Umedama Nabu)] Soutennenshoku Nan Demo-R Vol. 2 (Various)
(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]
[R-Koga] Tsukumimi
COMIC Masyo 2011-03
(COMIC1☆11) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Eromanga Sensei to Yamada Elf Sensei no Eromanga (Eromanga Sensei)
[CELTRANCE (Kogaku Kazuya)] Maki-chan ga Hajimete Nico-chan to Ecchi suru Hon (Les Ban) (Love Live!) [English]
[CELTRANCE (Kogaku Kazuya)] Miyuki-san to H Shitarinai. (Lucky Star) [Digital]
Mad Kogasax
(C87) [nocohica (Yuika)] Kirameki Winter Holiday | Sparkling Winter Holiday (Love Live!) [Chinese] [沒有漢化]
[NAGIYAMASUGI] SANAKOGAEROHON
[R-Koga] Aigan Shoujo
COMIC MASYO 2013-02
(Kouroumu 5) [Shigunyan] Tapopai ☆ Kogasa (Touhou Project)
(brilliant days3) [Snobbism (Chiitake)] Koi no Chaban Gekijou (Ensemble Stars!)
(C92) [CELTRANCE (Kogaku Kazuya)] Mamimamix 3 (Puella Magi Madoka Magica)
[Anthology] Kono Hito Chikan Desu! Vol.01
COMIC XO 2009-05 Vol. 36
[Futokoro Gatana (Kogaino)] Lace-up Boots (English) =SaHa=
[R-Koga] Pink no Hakumaku | Pink Thin Film