Akane (Tomosaka), a young interior designer, decides to share her big apartment with a roommate to split the rent. The new roommate turns out to be Sota (Oshio), a bilingual tour guide who is a bit of a playboy. Despite her reservations, her attitude towards him changes as she is invited into his circle of friends, which includes two college buddies (Miyasako, Kitamura) and their girlfriends (Henmi, Ikeda).