Koga Ryouhei Prelfillust

Comic Megastore 2008-01

Comic XO 2008-10 Vol.29

COMIC HOTMILK 2016-10

[Yamitsuki Honpo (Kogasaki Yuina, Youmei)] Double Cast (Kantai Collection -KanColle-) [English] [CGrascal] [Digital]

[Kouka Ryouhei] El-tentacle Birth Lady's Mk.A PHASE-3 2of2

COMIC HOTMILK 2017-08 [Digital]

which

(C93) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Girl's Mission (Girls und Panzer)

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

[Kogaku Kazuya] Bukkorori Ch. 1-5

Comic Masyo 2004-09

(Shota Scratch 7) [abgrund (udk)] Taru Yume 3 (Narutaru)

[H-Magazine] Comic MoeMax - Vol.007 [2007-12]

[Yaburi Dokoro (Hakano Shinshi)] Kogasa-chan no Shojo o Ubatte Haramase Mata Okasu Hon | The Raping, Impregnating and Popping of Kogasa-chan's Cherry Book (Touhou Project) [English] [Digital]

Yoiko no Ratai Book 4 Kai

(C65) [Niitakayama Tozantai (Kogawa Yasushi)] Card Captor Sakura + Zoukyou Kaiteiban (CardCaptor Sakura, Hyper Police, Sakura Taisen)

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

COMIC Megastore 2008-07

COMIC Masyo 2017-01

Girl’s wish

COMIC Megastore 2009-06

Tsukioka Kogane

(C82) [Penpengusa Club, MEGA-MIX (Katase Minami, Nekoga Yoshiki)] Kasoku Sekai e Youkoso 2 (Accel World)

(CR25) [Tenny Le Tai, Kemigawa Doubutsu Byouin (R-Koga, Efink, Kona)] Nadenade Shite Kudasai (To Heart)

COMIC HOTMILK 2018-10 [Digital]

COMIC Megastore 2006-08

Chigyaku no Umami

COMIC Masyo 2011-05

COMIC Masyo 2017-07

(C89) [Konnyaku Nabe (Harasaki)] Kogasa VS Raptors (R-18G Koga Ryona Goudoushi 3 Koga Ryonabe Shime) (Touhou Project) [Chinese] [布洛基个人汉化]

(Kouroumu 12) [G.Entertainment (Gotakichi)] Nue Koga ni Ippouteki ni Sakusei Sareru Hon (Touhou Project)

(C87) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Fallen Angela (Rakuen Tsuihou -Expelled from Paradise-)

[CELTRANCE (Kogaku Kazuya)] Mama Hame Sex (Tsuya) [Digital] [English] {InsanePraetor}

[Anthology] Moe Hime Vol.3

Tsukioka Kogane no Dosukebe Lesson

COMIC Megastore Alpha 2016-04

(C48) [Kyokutou Juujigun (Michael Harawata)] Shuw Da Issen (Tekken)

[R-Koga] Momi no Ie

COMIC Masyo 2015-10

COMIC Megastore 2011-02

Lost Child Seaside

(C83) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Mad Tea Party (Sword Art Online) [English] [EHCOVE]

Sakuya to Kogane ga Saimin de AV Debut Suru Hon =White Symphony=

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

COMIC Megastore 2009-06

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

[Kogaino] Sonna Anata ga Sukina Node | I Like It When You're Like That [English] [DesuDesu]

COMIC Masyo 2015-11

(C94) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Aogami Shoujo no Junan - The Passion of Blue Hair Girls (Various)

[Anthology] Hinakan 10

[Masayoshi Kogawa] Kangoshi Saotome Ayako no Nichijyou (special chapter color version)

(C95) [RINRIN (RINRIN)] Seishun Buta Yarou! (Seishun Buta Yarou wa Bunny Girl Senpai no Yume o Minai)

(C87) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] Fallen Angela (Rakuen Tsuihou -Expelled from Paradise-) [Chinese] [无毒汉化组]

BUSTER COMIC 2015-11 [Digital]

COMIC Momohime 2003-10

(C89) [Penpengusa Club (Katase Minami, Nekoga Yoshiki)] Ferry-chan ni Ecchi na Koto o Oshiechau Usui Hon 2 (Granblue Fantasy)

Nii-chan Senyou

[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B PHASE-3 "Kou" [Digital]

(C83) [MEGA-MIX (Nekoga Yoshiki)] Fairy Rondo (Sword Art Online)

[Kouka Ryouhei (Yanagi Kyouhei)] PrelfIllust No.4.5 NovelizeComic

COMIC XO 2009-03 Vol. 34

BUSTER COMIC 2014-09

COMIC Megastore Alpha 2013-12

COMIC Megastore 2012-01

Bishoujo Doujinshi Battle 7

COMIC HOTMiLK 2013-07

COMIC HOTMILK 2018-06 [Digital]

[Futokoro Gatana (Kogaino)] Miya Ogi [English] [DesuDesu]

COMIC Megastore Alpha 2014-04

(SUPER26) [hummel (Shia)] which (Ensemble Stars!) [English] [Anzu]

[CELTRANCE (Kogaku Kazuya)] Mamimamix 3 (Puella Magi Madoka Magica) [English] [Digital]

(C93) [Seven Days Holiday (Shinokawa Arumi, Koga Nozomu)] ROYAL SECRET (Azur Lane)

BUSTER COMIC 2015-07 [Digital]

[H-Magazine] Comic MoeMax - Vol.010 [2008-03]

COMIC HOTMILK 2017-12 [Digital]

Sanae-san to Kogasa-san

Comic Megastore 2004-10

COMIC Masyo 2018-06 [Digital]

KogaSana wa Watashi no Paipaigasa

COMIC Hime Dorobou 2008-03