Koga Ryouhei Prelfillust

COMIC Masyo 2015-10

(CR29) [Turikichi Doumei (Kogawa Masayoshi, Umedama Nabu)] Tsurikichi-Doumei No Color Bon Ya! (Various)

COMIC Momohime 2006-04 Vol. 66

Ecchi na Tights Sugata no Kogane to Sakuya ga Producer o Yuuwaku Shichau Hon

(C91) [CELTRANCE (Kogaku Kazuya)] Ma ni Miirareshi Mahou Shoujo wa Mi o Kurai Suitsukusu 2 (Puella Magi Madoka Magica)

[R-Koga] Shoujo Byoutou

COMIC Megastore 2008-09

[CELTRANCE (Kogaku Kazuya)] CANDY POCKET (Lucky Star) [English] [The Chrysanthemum Translations] [Digital]

[Anthology] Kemono For Essential 3

(SC56) [Amagi Seitetsusho (Ebisu)] Laboratory Animals + Hermaphroditism = Passion (Medaka Box) [English] -Krizalid-

COMIC Masyo 2015-02

(C42) [Naniwaya (Various)] MAKE UP (Bishoujo Senshi Sailor Moon)

[Midnight Muumus (Giu)] Miminari ga Suru to... [English] [Samachan]

[Konnyaku Nabe (magifuro Konnyaku)] Odoroki no Kogasa dezumu (Touhou Project) [Chinese] [CE汉化组] [Digital]

COMIC MEGASTORE 2006-09

Comic Hime Dorobou 2006-12

COMIC Megastore Alpha 2016-02

COMIC Momohime 2006-09

[CELTRANCE (Kogaku Kazuya)] CANDY POCKET (Lucky Star) [Digital]

(COMIC1☆4) [STUDIO Hamachigumi (Mizuki Hitoshi)] Sanae-san to Kogasa-san (Touhou Project) [English] [CGrascal]

Playing Mommy and Daddy [English] [Rewrite] [olddog51]

[R-Koga] Papa's Sex Education Ch1-5 [English]

(C70) [Kakogawa-ya (Kakogawa Tarou)] ASHE HAITENAI (Final Fantasy XII)

(Futaket 4) [abgrund (udk)] Taru Yume (Narutaru) [Chinese] [汉化] [为了忘却的纪念]

Kiyoka Hitomaku | Summer Fling

COMIC Megastore 2013-01

COMIC HOTMILK 2016-12

COMIC Masyo 2014-04

(COMIC1☆7) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] CATS AND DOGS (Hentai Ouji to Warawanai Neko.) [English] [DeadlyFatalis]

[abgrund (udk)] Taru Yume 2 (Narutaru)

[Nozarashi (Nozarashi Satoru)] ROYAL Medaka SCRAMBLE (Medaka Box) [English] [918] [Digital]

COMIC Muga 2005-04 Vol. 19

[Mogiki Hayami] Karada Counselor | 很好色的肉體顧問 [Chinese]

(C74) [Kakogawa-ya (Kakogawa Tarou)] Party Bullets (Mahou Shoujo Lyrical Nanoha)

(Super Brilliant Days 2017) [Gure Guli (Urawa Mogutasu, Oshige)] Fuwawan (Ensemble Stars!) [English] [Anzu]

(Mou Nani mo Kowaku Nai 2) [CELTRANCE (Kogaku Kazuya)] Tadaima. | I'm Back (Puella Magi Madoka Magica) [English] [yuriproject]

逮捕されちゃうぞ

[Anthology] Tsuyokikko - This Girl Is Tsundere!

[Anthology] Moe Hime Vol.03

[Pyramid House (Muscleman)] Boukoku no Elf Hime [English] [EHCOVE]

BUSTER COMIC 2015-01

Comic Masyo 2004-11

Akogare o Outte

[R-Koga] Papa's Sex Education Ch1-3 [Eng]

ETOILE

COMIC Megastore 2009-02

Comic Megastore 2008-01

(C75) [CELTRANCE (Kogaku Kazuya)] Ao Geki Murasaki Mamoru! (Lucky Star)

ただしくつかいましょう。

Negi x Kogami Ryoken

COMIC Megastore 2008-05

COMIC Momohime 2005-12

[Kogaku Kazuya] Sign In+ (COMIC Penguin Celeb 2016-01) [Chinese]

COMIC Momohime 2002-09

[R Koga] Tsukumimi 2

[Kogawa Masayoshi] miamuto ippikino geboku

Comic Megastore 2004-11

[Tenny Le Tai (R-Koga, Pia Pia)] 逮捕されちゃうぞ (3x3 Eyes, Minky Momo, Nadia, Hoshizuki Paradise, You're Under Arrest)

(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]

[R-Koga] Tsukumimi

COMIC Masyo 2011-08 [Digital]

[Metamorgirl] Be Completely Changed

(C81) [TAIL UP! (Arima Yutaka)] KogaCyclone (Touhou Project) [English] [QB-translations]

COMIC HOTMILK 2017-05 [Digital]

[R-Koga] Bubunteki Otonaka Keikaku

[Anthology] Kindan Kanin Vol. 25 Boshi Seikou

[R-Koga] Boku ga Kemono SEX ni Hamaru made

Comic XO 2009-11 Vol.42

Hinakan Hi! Vol. 07

Comic Masyo 2005-01

(COMIC1☆7) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] CATS AND DOGS (Hentai Ouji to Warawanai Neko.)

[Chuuni + Out Of Sight] M@STER OF PUPPETS 02 (idolmaster)

(C91) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Flowers of a lost country (Shuumatsu no Izetta)

COMIC Masyo 2011-01

NATUKOGANE

Comic Masyo 2005-05

COMIC Megastore 2011-11

[光華猟兵] Prelfillust Extra.1【A】

(C82) [Article 60 of Criminal Code (Shuhan)] RaKuGaKi./Monochrome.[20120810] (Saint Seiya Omega)

[Lolimate Seizou Koujou (Lolimate)] Uso no Odorokashikata o Oshierarete Tokuige ni Jissen suru Kogasa-chan (Touhou Project) [Chinese] [CE家族社] [Digital]

(C83) [Takoyaki-batake (Takoyaki) Kogasa Surprise (Touhou Project) [English] [CGrascal]

(C91) [CELTRANCE (Kogaku Kazuya)] Ma ni Miirareshi Mahou Shoujo wa Mi o Kurai Suitsukusu 2 (Puella Magi Madoka Magica) [Digital]

COMIC Megastore 2012-05

[R-Koga] Chicchai kedo, Nurunuru

COMIC Megastore 2011-09

[Yaburi Dokoro (Hakano Shinshi)] Kogasa-chan no Shojo o Ubatte Haramase Mata Okasu Hon (Touhou Project) [Chinese] [冰窖绅士汉化] [Digital]

[CELTRANCE (Kogaku Kazuya)] Sonicomi dollar (Super Sonico) [Digital]

[Anthology] Bishoujo Doujinshi Battle 7 (Various)

COMIC Megastore 2006-04

[R-Koga] Nantentatte Jr. Rival -side A & B-

[Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Seijyo Seifuku | Holy Woman Conquest [English] =TB= [Digital]

COMIC HOTMILK 2017-07 [Digital]

(C92) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] EROMANGA DAYS (Eromanga Sensei)

[Kogaino] Genkininatte [Chinese]

[Gensou Stomach (Taku)] Suwarete Nomarete Kogasa-chan (Touhou Project) [Digital]

[Hakidame no Koganemushi (Koganemushi)] Short Situations [Chinese] [K记翻译] [Digital]

(C37) [MATSUBAYA Corporation (Various] Route RANMA (Ranma 1/2)

[Tenny Le Tai (Aru Koga)] Tsukutsuku Mizuki-tan (mokke)

(C52) [CHROMATIC ROOM (Maka Fushigi)] Tousoushin (Various)

吸血鬼のオシゴト

Comic MoeMax 2007-06

[koga te kko]tosiue no kare ha ama ku ida ku。～XX saisa no yara sii zyouzi~01-03｜被年上男友溺愛怀抱～xx年齡差的羞澀情事~01-03[中文] [橄榄汉化组]

[Bū Tarō] Angel & Demon (Futanari)

COMIC Momohime 2006-01

[CELTRANCE (Kogaku Kazuya)] Maki-chan ga Hajimete Nico-chan to Ecchi suru Hon (Les Ban) (Love Live!) [English]

(C75) [abgrund (udk)] BD! (Narutaru) [Chinese] [刷牙子漢化]

[Yaburi Dokoro (Hakano Shinshi)] Kogasa-chan no Shojo o Ubatte Haramase Mata Okasu hon (Touhou Project) [Digital]

COMIC XO 2008-01 Vol. 20

[molefoneus (Koga Chiharu)] m.works vol 1 [Digital]

COMIC Masyo 2018-10 [Digital]

Negi x Kogami Ryoken

COMIC Momohime 2007-04

[Futokoro Gatana (Kogaino)] Lace-up Boots (English) =SaHa=

[Gensou Stomach (Taku)] Suwarete Nomarete Kogasa-chan | Kogasa-chan Gets Sucked in and Swallowed (Touhou Project) [English] [desudesu] [Digital]