An expressionless classmate, Suzu, who has a boyfriend who is a college student in long-distance relationship. One day during the winter training, Hajime is invited by a bell and has sex in the club room. "I'm glad I wasn't a virgin. Wouldn't it be a problem if I got serious?" Then, during the winter training, bells and hajime spree in the bathroom and infirmary. Memories of sad and bittersweet love during the irreversible winter vacation.
