(C91) [sugusoko (Yuma Ryouhei)] Made in Nanachi (Made in abyss)
[Masayoshi Kogawa] Kangoshi Saotome Ayako no Nichijyou (special chapter color version)
(C46) [Tenny Le Tai (Aru Koga)] R Time Special (3x3 Eyes, Ranma 1/2, Sailor Moon)
Tsukioka Kogane no Dosukebe Lesson
(C95) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Kinki Shinpan (Sword Art Online)
(Futaket 4) [abgrund (udk)] Taru Yume (Narutaru) [Chinese] [汉化] [为了忘却的纪念]
COMIC Megastore Alpha 2014-04
[R-Koga] Seijyo no Izumi
[R-Koga] Nii-chan Senyou [Digital]
(C85) [Gainamon (Natsu no Koucha)] Kogasa No Okuchi Lesson! (Touhou Project)
COMIC Momohime 2004-01
[Anthology] PetaFeti. 15 [Digital]
(C70) [Tsurikichi-Doumei (Kiki Ryuu, Kogawa Masayoshi, Umedama Nabu)] Ero no Gunzou 3 ~Neburiai Hora !~ (Keroro Gunsou)
(SC8) [Tsurikichi-Doumei (Kogawa Masayoshi)] Oudou ~Rolling Elbow no Shou~ (Various)
COMIC Megastore Alpha 2014-08 [Digital]
(C81) [TAIL UP! (Arima Yutaka)] KogaCyclone (Touhou Project)
COMIC Masyo 2011-11 [Digital]
COMIC Masyo 2016-09 [Digital]
COMIC Masyo 2016-08
Sakuya to Kogane ga Muchimuchi Mizugi de Ecchi na Gohoushi Shichaimasu!
[abgrund (udk)] Taru Yume 2 (Narutaru) [Chinese] [刷牙子漢化]
COMIC Masyo 2011-07
COMIC Momohime 2005-06
COMIC HOTMILK 2018-10 [Digital]
Oogami Koga Tousatsu Nikki
COMIC HOTMILK 2017-01 [Digital]
COMIC HOTMILK 2017-08 [Digital]
(CR25) [Tenny Le Tai, Kemigawa Doubutsu Byouin (R-Koga, Efink, Kona)] Nadenade Shite Kudasai (To Heart)
(C85) [Gainamon (Natsu no Koucha)] Kogasa No Okuchi Lesson! (Touhou Project) [English] {biribiri}
[R-Koga] Higyaku Kyoushitsu [Chinese]
[Hakidame no Koganemushi (Koganemushi)] Nikutai Henka Shoujo Yawa ~MaGal Kissa no Nanokakan~ | 辣妹咖啡七日谈 [Chinese] [K记翻译] [Digital] [Incomplete]
COMIC Masyo 2015-02
Itte Yaruze Daibutai
(C84) [Konnyaku Nabe (magifuro Konnyaku)] Koga Ryona Vol. 2 (Touhou Project) [Chinese] [yuanzhongwo渣汉化]
(C75) [abgrund (udk)] Taru Yume 0 (Narutaru) [Chinese] [Incomplete]
[R-Koga] Momi no Ie
COMIC Megastore 2009-08
(COMIC1☆13) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Bougin (Ryuuou no Oshigoto!) [Chinese] [空気系☆漢化]
[Digital Lover] Ninitan Ryoujoku Nikki
[Nabeyashiki (Nabeshiki)] Sakuya to Kogane ga Saimin de AV Debut Suru Hon (THE iDOLM@STER: Shiny Colors) [Digital]
[Koga Ryohei] El-tentacle Birth Lady's Mk.B Ex.1
_Kakogawa_Tarou__Bent_love_expression__LoLi-Femdom_
Koga-tan ni Gyugyutto Amaete
Ane no Kawari ni Namaiki na Futago Shimai o Saikyouiku?
Akogare Kanojo no Risou to Genjitsu | My Crush: Expectation vs Reality
Tenshi to Akuma
Kimi ni Deawanakereba Mou Sukoshi Matomo datta
COMIC XO 2009-03 Vol. 34
(SC65) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] My Beautiful Dark Deranged Fantasy! (Amagi Brilliant Park) [Chinese] [无毒汉化组]
COMIC Momohime 2006-10
[Anthology] Denei Tamatebako 4 - Utakata no Tenshi-tachi (Various)
Bad Summer Vacation
ただしくつかいましょう。
[Komekouji] Chikadou Bukkake Jigoku
Comic XO 2008-10 Vol.29
[Anthology] PetaFeti. 16 [Digital]
COMIC Megastore 2011-07
逮捕されちゃうぞ
BUSTER COMIC 2014-09
KogaSana wa Watashi no Paipaigasa
[Kogaku Kazuya] Nagomi Wakan
[Fractal Underground Studio] Kodomo Rakuen Ransel Shoujo Hen
COMIC HOTMILK 2017-11 [Digital]
COMIC HOTMILK 2017-07 [Digital]
COMIC Megastore 2012-11
(Shota Scratch 7) [abgrund (udk)] Taru Yume 3 (Narutaru)
m.works vol 1
(C84) [Konnyaku Nabe (magifuro Konnyaku)] Koga Ryona (Touhou Project) [Chinese] [yuanzhongwo汉化]
COMIC XO 2008-06 Vol.25
雑念エンタテイメント
COMIC HOTMILK 2017-03 [Digital]
(C82) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Marriage Experience (Sword Art Online)
[NAGIYAMASUGI] SANAKOGAEROHON
(SC46) [Nagiyamasugi (Nagiyama)] Sanakoga Erohon (Touhou Project)
COMIC HOTMILK 2017-12 [Digital]
(C81) [TAIL UP! (Arima Yutaka)] KogaCyclone (Touhou Project) [English] [QB-translations]
(C82) [Penpengusa Club, MEGA-MIX (Katase Minami, Nekoga Yoshiki)] Kasoku Sekai e Youkoso 2 (Accel World)
(C83) [CELTRANCE (Kogaku Kazuya)] Gyakushuu no Akai Hito (Puella Magi Madoka Magica)
Bishoujo Doujinshi Battle 7
[R-Koga] Hiyake Sex Enikki - Picture Diary of a xxx with the Suntanned [Digital]
Metamorgirl Stories - 海・艦・侵・食 (Kan Cole)
[H-Magazine] Comic MoeMax - Vol.010 [2008-03]
COMIC Momohime 2003-10
(C96) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Yappari Onii-sama to Kozukuri o. (Lord El-Melloi II-sei no Jikenbo) | In the End, I Want to Make Children with Onii-sama [English] [EHCOVE]
[Kouka Ryouhei (Yanagi Kyouhei)] PrelfIllust No.4.5 NovelizeComic
Chigyaku no Umami
[R-Koga] Majime Nanoni Hiyake Bitch ♡
(Reitaisai 14) [Hakusai no Ie (Akinashi)] Kogasa no Aiaigasa (Touhou Project)
COMIC Masyo 2013-04
[Futokoro Gatana (Kogaino)] Lace-up Boots (English) =SaHa=
[Futokoro Gatana (Kogaino)] Miya Ogi [English] [DesuDesu]
lDOL:RECOLLECTlONS
[R-Koga] Osanai Mitsu
Odoroki no Kogasa dezumu