"Sayo" who became a married woman away from the position of a teacher and "Yoshino" who graduated from school and works as a trading company man. Although they were once a teacher and a student, they made a one-time mistake. And 12 years later ... they meet again on the night of the reunion. Sayo couldn't hide his turmoil and began to be aware of Yoshino, whose past memories were inevitably revived and grew strong, as the opposite sex. Since then, he has reestablished a distorted relationship as a rather than a .
