Manga by author Arai Cherry

ANN: This is a four-panel comedy manga about Kobeni Yonomori, who on her 16th birthday suddenly has a young man with little presence named Hakuya Mitsumine and his little sister Mashiro appear in front of her. It turns out that Hakuya is her fianc, and Mashiro is her future sister-in-law. The three (and Konbeni's big sister Benio) start living together underneath the same roof, and hilarious happenings occur.

Mannenrou Ladies' Academy is famous for its upper class and posh students. Despite knowing how out-of-place she'd be, the former yankee, Hanaizumi Luna, decides to enroll there. Moreover, according to her underling: "Girls' schools means yuri!! Add in school dormitories? Now that's a world of girl on girl action!!"And with those words in mind, Luna's new school life begins with a rough start.And how exactly will her relationship develop with her socially inept roommate, Miyota Kohime...?