Ayame’s boyfriend is her math teacher, Mr. Nagasawa. Naturally, their relationship is a secret at school. While her friends Yuka and Mio worry about her, Ayame is thrilled to have an older, mature boyfriend. But one day, he gives her an expensive and sophisticated gift, and she feels a bit uneasy—after all, Ayame actually prefers cute things. Then, during a chance visit to a hospital, she unexpectedly reunites with someone from her past… This is the fourth installment in the popular School Romance Junction series.