Kai x Kai! ~Kaikan Kaihatsubu e Youkoso!~
Omocha Kaihatsubu Joshu-chan no Sanzan na Nichijou
Zettai ni Ikasetai Adult Goods Maker Kaihatsubu VS Zettai ni Ikanai Adult Goods Maker Eigyoubu | The Sales Rep Who Absolutely Won’t Come VS The Researcher Who Absolutely Wants to Make Her Come
(C82) [Shin Hijiridou Honpo (Hijiri Tsukasa)] Mahou Shoujo no Seikantai wa Soul Gem + Akemi Homura mo Seikantai wa Soul Gem (Puella Magi Madoka Magica)
Ero Game Kaihatsubu Futago Hen
Omocha Kaihatsubu Buchou wa Jibun de Kaihatsu Shita Omocha no Jikkentai kara Bai Gaeshi Sareru You desu
BluAca Ecchii Book
Maid Kaihatsubu Nisshi
[Ikegami Tatsuya] Kai x Kai! ~Kaikan Kaihatsubu e Youkoso!~
Kaijin Kaihatsubu Tanpen Ero | Monster Development Department Short Erotic Manga