18+ Momoiro Sango

Tachibana Sango is a poor student looking for a decent place to stay on a shoestring budget. When it appears that he has found the perfect place, it turns out to be anything but, as his new roommates, a trio of young ladies, seem determined to run him ragged and make his life miserable.

Included one-shots:
Volume 1: 2-nen C-gumi Ittetsu-sensei, Boku to Kimi to Inu no Ore
Volume 2: One Piece no Koibito
Volume 12: Joushi Saki