High school freshman who moves into the Kawai Complex boarding house due to his parents' job transfer. He lives with several unique residents, gradually bonds with his senpai Ritsu, overcomes mutual misunderstandings, and becomes her couple by the end of his second year.
High school freshman who admires his senpai and eventually becomes her boyfriend
Novelist masochist who lives with Usa
Beautiful office lady with bad luck in men who lives at Kawai Complex
Sly and predatory college student who lives at Kawai Complex
Runs the Kawai Complex boarding house