As a teacher, Eri must hide his true self. One day, Motoo, his old student, appears as a trainee. How does Eri react on the open-hearted glances of Motoo, who hasn't changed at all after seven years? A romance starts between the eager trainee and the older teacher... Also includes a love story of the cranky tutor Makino, and the teacher Izumi, a friend of Motoo.