(SHT2016 Haru) [Divine Fountain (Koizumi Hitsuji)] Ecchi na Mahou Hairimashita! (Mahou Tsukai PreCure!) Hentai (SHT2016春) [神聖ファウンテン (小泉ひつじ)] エッチな魔法挿入りました! (魔法つかいプリキュア!)

(SHT2017 Haru) [Divine Fountain (Koizumi Hitsuji)] PreCure Nakadashi a la Mode (Kirakira PreCure a la Mode)

(COMIC1☆8) [Divine Fountain (Koizumi Hitsuji)] Bad End wa Mitsu no Aji (HappinessCharge Precure!)

(COMIC1☆7) [Shinsei Fountain (Koizumi Hitsuji)] Precure Haiboku Rape ~DOKIDOKI!PRECURE~ (Dokidoki! Precure)

(C95) [Divine Fountain (Koizumi Hitsuji)] RemiFla no Ecchi na Seigangu (Touhou Project)

(Reitaisai 10) [Divine Fountain (Koizumi Hitsuji)] Shinsei Fountain Soushuuhen Sonyo 4 (Touhou Project)

(Reitaisai 12) [Divine Fountain (Koizumi Hitsuji)] Shinsei Fountain Soushuuhen Sonyo 5 (Touhou Project)

(Reitaisai 14) [Divine Fountain (Koizumi Hitsuji)] Haramiko Reimu-chan (Touhou Project)

[Divine Fountain (Koizumi Hitsuji)] Marugoto Baquartet (Touhou Project) [Digital]

(Kouroumu 7) [Divine Fountain (Koizumi Hitsuji)] Yamabiko Inran Choukyou (Touhou Project)

(Umi Yukaba 2) [Divine Fountain (Koizumi Hitsuji)] Himitsu no Keibi Ninmu (Kantai Collection -KanColle-)