COMIC Purumelo 2012-02 [Digital]
COMIC Kairakuten BEAST 2021-07
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
COMIC Kairakuten BEAST 2015-04
Futanari Mahou Shoujo Sword Lily vs Kakyuu Inma
[HADES] Shidare Hotaru Yariman Bitch Ochi ~Gekan~ (Dagashi Kashi)
[Kurimoti Tiduru] Virtual Shirokami TS Musume NewTuber Oji-san | Virtual White-haired Gender Bender Newtuber Oji-san (COMIC Anthurium 2018-07) [English] [desudesu] [Digital]
(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
(C78) [Shuudan Bouryoku (Various)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9
[Hirama Hirokazu] Kimi ni Dakaretai - Hold me tight, don't be shy.
[Hirama Hirokazu] Kamisama no Bangohan | Dinner for the Snake God (COMIC Kairakuten BEAST 2014-12) [English] [Royal_TL]
(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)
[Anthology] Doujin Anthology Bishoujo Gumi 7 (Various)
COMIC Kairakuten BEAST 2021-05
(C75) [A-H-E Sesaku Iinkai, Alice no Takarabako (Various)] A-H-E 18 creators' "ahe-gao" illustrations
(COMIC1☆5) [Takatobiya (Haba Hirokazu)] Charlotte wa Yuutousei dakara (Infinite Stratos)
[Amadeus No Isan] Rapid Game {To Heart 2}
(C81) [TAKATOBIYA (Haba Hirokazu)] Producer-san Watashi Netorarechaimashita + Shinkan Kounyuu Tokuten Hoshii Miki paper (THE iDOLM@STER)
(SC27) [Hirokaworld (Hirokawa)] 15/21 (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
[Hirokawa Kouichirou] PET LIFE
(C69) [OVACAS (Hirokawa Kouichirou)] 1-NEN C-GUMI MAHOGUMI (Pani Poni)
Sorekarano
(C77) [Takatobiya (Haba Hirokazu)] Chiunippai Nagisa Onee-chan Mesuinu Nikki (Anyamaru Tantei Kiruminzoo)
(Puniket 9) [Hirokaworld (Hirokawa)] Nyaa Hon
[Onnanoko MIX (Hirokane Tetsudou)] KyouYui-tan (YuruYuri) [Digital]
Miryou Skill no Kiki ga Waruinode Master ni Tameshitemita
[Anthology] MOMOPAN 12 [Yagai Hounyou Shouben Shoujo]
Comic Sigma Volume 1
After School XX Time
COMIC Kairakuten BEAST 2015-06
[Hirama Hirokazu] Stand by OK! [Digital]
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-hajimeru (My-HiME) [English] [SaHa]
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
ShiroKagu 1
[Amatoro Bow] Hanarete Ite mo Hito ni Fureru Otoko
[Anthology] Love Chara Taizen No. 6
陽魔方士重雲くんのえっちなご奉仕
(C61) [OVACAS (Hirokawa Kouichirou)] S.F.3.D (Various)
[Kuzuru] ShiroKagu 1 (Kaguya-sama wa Kokurasetai) [English] [Zaibatsu]
Otonano Omochiya 6 Kan
Doutei Doudeshou vol. 2
(Dai 1 Kai Genshiken & Kujibiki Unbalance Omoshirokatta Kaigi) [Kansai Orange (Arai Kei)] [memories] Oono Shiki Soushuuhen. 1 (Genshiken) [Chinese]
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(C60) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 3 (Various)
COMIC Kairakuten BEAST 2015-03
(C64) [Infinity-Force (Mercy Rabbit, Rokujou Mugi, Buruma Hogero, Hirokawa Kouichirou, Yamashita Woory)] MRR A GO!! (Machine Robo Rescue)
COMIC Kairakuten BEAST 2015-08
(C66) [INFINITY-FORCE (Various)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
[Takatobiya] Usa Dining (Digi Charat)
COMIC Purumelo 2013-09
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
Yobai Mura | 夜爬村
[Hirama Hirokazu] Zettai Koubi Sengen [Chinese]