The Way to Love(2003)

Koi no Kaikata

Yurara, a high school student, is timid by nature. She happens to come across a quarreling scene of Oriko, her next door girl, and Tsujimachi, her classmate. Then, what makes Yurara and Tsujimachi live together? Tsujimachi, a sexy boy, demands Yurara to make love with him. (Source: Shoujo Manga Maniac)