Hijiri’s dream of becoming a teacher is realized when she begins to work as a middle school teacher. She is in a long-distance relationship with her fiance Katsutaro. Kuroiwa Akira happens to be a student at the school where she teaches. Akira approaches her after realizing he has feelings for Hijiri, and although she is in a relationship, she begins to question her own feelings for the 15 year old student.