[RKI-667] Won’t you join the doujin circle? I am the only man in a share house of all otaku. I spend every day having sex with busty beauties!

The protagonist is an amateur doujinshi author who gets invited to live in a house for mangakas.

And to his surprise, it turns out that all the women in the house are women:

The housemates are an erotic mangaka, a hentai seiyuu, and an erocosplayer. And they’re all female perverts.