(CR33) [Akkan-Bi Project (Hirohiko Yanagi)] Over Echo (Overman King Gainer) Pics (Cレヴォ33) [あっかんBi～ (柳ひろひこ)] OVER ECHO (オーバーマン キングゲイナー)

(C70) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] Ochanigoshi Yanagi Hirohiko Love Gengashuu (various)

[AKKAN-Bi PROJECT] OVER SEXED (OVERUPUP)

(C89) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] Ka (Kantai Collection -KanColle-)

(C79) [Shigunyan, Soyoking (Shigunyan)] Paizuri & Sexing with Gakuen ABC (Panty & Stocking with Garterbelt)

(C89) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] Ka (Kantai Collection -KanColle-)

(C89) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] Ka (Kantai Collection -KanColle-) [English] {doujins.com}

(C89) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] Ka (Kantai Collection -KanColle-) [Chinese] [final個人漢化]

[Akkan-Bi Project] OVER GAME (Overman King Gainer)

(C64) [AKKAN-Bi PROJECT (Yanagi Hirohiko)] OVER GAME (Overman King Gainer)

(CR33) [Black List (Hiura R)] Over Senshi (Gundam Seed, Overman King Gainer)