Koga Ryouhei Prelfillust

(Super Brilliant Days 2017) [Zakuroiro (F-1 Zakuro)] Kiyoka Hitomaku | Summer Fling (Ensemble Stars!) [English] [Anzu] [Decensored]

Negi x Kogami Ryoken

[Anthology] Moe Hime Vol.03

Shibuya Rin wa Producer no Yume o Miru ka?

(SPARK11) [Yuushiki (Shinanojima Usa)] Lost Child Seaside (Ensemble Stars!) [English]

(Kouroumu 9) [Seishinkan Eikyuu (Various)] KogaSana wa Watashi no Paipaigasa (Touhou Project)

(C75) [abgrund (udk)] Taru Yume 0 (Narutaru) [Chinese] [Incomplete]

(C88) [STUDIO Hamachigumi (Mizuki Hitoshi)] Ganbare ❤ Kogasa-san (Touhou Project)

COMIC Megastore 2007-11

COMIC Momohime 2005-12

[R-Koga] Higyaku Kyoushitsu [Digital]

COMIC Megastore 2005-02

COMIC Masyo 2014-10

(C87) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Fallen Angela (Rakuen Tsuihou -Expelled from Paradise-) [English] {doujin-moe.us}

Girl's association

COMIC Megastore 2005-11

SWEET LIPS + SHARAKU SPECIAL + MOON RHAPSODY

Litmus (re-translated,crossdress storry)

[H-Magazine] Comic MoeMax - Vol.009 [2008-02]

COMIC Masyo 2010-08

COMIC Megastore 1999-09

Surprise Meister KogaNue

(C75) [abgrund (udk)] Taru Yume 4 (Narutaru) [Chinese] [刷牙子漢化]

COMIC Megastore 2009-02

(C95) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Kinki Shinpan (Sword Art Online) [Chinese] [塔布里斯個人漢化]

BD!

COMIC Momohime 2007-05

[Anthology] Kono Hito Chikan Desu! Vol.01

(SC59) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Kagami-san Maji Angel (Sasami-san@Ganbaranai)

Flowers of a lost country

(C88) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Idol Gurashi! (THE IDOLM@STER CINDERELLA GIRLS)

COMIC Megastore 2005-04

Comic Masyo 2005-03

COMIC Mugen Tensei 2017-01 [Digital]

[Hakidame no Koganemushi (Koganemushi)] Short Situations [Digital]

(Renai Jiyuugata! Natsu Honban) [Uchuu (Hikoushi)] Rei-chan, Kirei da yo! (Free!)

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

(C77) [MEGA-MIX (Nekoga Kouki)] To Aru Yumeutsutsu no Railgun (Toaru Kagaku no Railgun)

(SC2018 Spring) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Camp no Susume (Yuru Camp)

COMIC Momohime 2006-10

Bad Summer Vacation

(CR35) [Tsurikichi Doumei (Kogawa Masayoshi, Kosuke)] Oudou ~Jikkon no Power Bomb no Shou~ (Various)

Comic Hime Dorobou 2006-12

NO WORK, NO LIFE?

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

[Hakidame no Koganemushi (Koganemushi)] Nikutai Henka Shoujo Yawa ~MaGal Kissa no Nanokakan~ (Kantai Collection -KanColle-) [Digital]

COMIC Masyo 2013-08

(C85) [Gainamon (Natsu no Koucha)] Kogasa No Okuchi Lesson! (Touhou Project)

(C91) [Reisei Hormone (Soujiroh, Kikogaminata)] Scratch (My Hero Academia) [English] [Shotachan]

(Reitaisai 13) [Kaaburidou (Neno)] Kogasa to H na Otokonoko (Touhou Project)

[Anthology] Hinakan 6

(C78) [Tsurikichi Doumei (Umedama Nabu, Kogawa Masayoshi, Uranoa)] Nogaremono Nan Demo-R (Various)

(C75) [abgrund (udk)] Taru Yume 0 (Narutaru) [Chinese] [Incomplete]

(C95) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Kinki Shinpan (Sword Art Online)

[R-Koga] Chicchai kedo, Nurunuru

(C84) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] ULTIMARATIO (Sword Art Online) [English] [DirtyTranslations]

BUSTER COMIC 2014-11

[Anthology] Hinakan 8

[Enueeru] 精液逆流JK

Comic Megastore 2004-12

COMIC Megastore 2008-09

BUSTER COMIC 2015-05

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

COMIC Momohime 2002-09

COMIC Momohime 2006-01

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

COMIC Masyo 2015-11 [Digital]

(C64) [Shinkouzan Tozantai (Kogawa Yasushi)] Happa Tai 1 (ToHeart, Kizuato, and Magical Antique)

COMIC Momohime 2006-08

(C89) [Konnyaku nabe (Harasaki)] Kogasa VS Raptors (R-18G Koga Ryona Goudoushi 3 Koga Ryonabe Shime) (Touhou Project) [English] {atomicpuppy}

BUSTER COMIC 2013-05

COMIC HimeDorobou 2009-05 (Corrected)

(C78) [Tsurikichi Doumei (Kogawa Masayoshi)] EROMAN (HEROMAN) [English] [_ragdoll] [Incomplete]

[R-Koga] Tsukumimi [English] [Tonigobe] [Decensored]

COMIC Megastore 2010-06

[Hakidame no Koganemushi (Koganemushi)] Zetsuen Unaji (Kantai Collection -KanColle-) [Digital]

Itte Yaruze Daibutai

(Mimiket11) [Tenny Le Tai (Chilitan, Aru Koga)] Her-Tan x Her-Tan (Harry Potter)

[Hakidame no Koganemushi (Koganemushi)] Zetsuen Unaji (Kantai Collection -KanColle-) [Chinese] [这很恶堕汉化组X基德汉化组] [Digital]

[光華猟兵] Prelfillust Extra.1【A】