僕は学生時代、環境に馴染めず保健室登校をしていた。そんな孤独だった僕に唯一寄り添ってくれた養護教諭のゆみ先生は僕の憧れで、僕が童貞を捧げた女性…。あれから15年、僕は大学の同級生と結婚して会社員として働いているが、いつもなにか心細い気持ちがいつも付き纏っていた。そんな時、同窓会に参加した僕はゆみ先生と再会したのだ。当時と変わらず優しくて美しい先生の前で僕は学生時代の頃のように先生に甘えてしまい…。

During my school days, I couldn't fit in and ended up going to the infirmary instead of school. The only person who was there for me during that lonely time was Ms. Yumi, the school nurse. She was my idol, and the woman to whom I lost my virginity… Fifteen years have passed since then, and I'm now married to a university classmate and working as a company employee, but I've always felt a sense of unease. Then, at a class reunion, I unexpectedly reunited with Ms. Yumi. She was as kind and beautiful as ever, and in front of her, I found myself relying on her like I did back in my student days…