Chitai esute: Namete majiwaru(2006)

Ayumi, a female college student, was forced to lose her virginity to her drunk senior colleague, Kosuke, after a drinking party with her coworkers. Ayumi had harbored feelings for Kosuke for some time, and when he promised to take responsibility, they began dating. Wanting to become more beautiful for him, Ayumi started going to a beauty salon and became close to the manager, Maya...