Mr. Odagiri and his student, Kousui Jun, have a forbidden relationship. Despite being teacher and student, they are also in a relationship. They began their relationship in the spring of their second year, but because of his position as a teacher, Odagiri didn't make any moves. However, Jun kept pushing him, saying, "If it's just a blow job, it's not sexual misconduct, right?" He ended up sucking him off all the time at school. Time passed, and on the day of graduation, he went to a hotel with Jun, his diploma in hand...