養護教諭の市松先生と補欠バスケ部員の松乃のちょっぴり切ない?ラブ・ストーリ!先生の自慰行為を目撃してしまったあの日から、松乃の心に初めての感情が生まれる…。It’s a slightly sad love story between Ichimatsu-sensei、 a school nurse、 and Matsuno、 a substitute basketball player. Get ready for a love story! When Matsuno witnesses his teacher masturbating、 he begins to have feelings for him for the first time...