Luna Tachibana is a 26-year-old librarian. One day, she loses her place to live and her job as a librarian due to a fire in her apartment, and Meguro, a college student who goes to the library, offers her a place to live with him. In return, she decides to help him with his work while he is a student, but he is a sensual novelist...an exciting love story of a naive librarian and a younger sensual novelist living together!