Yuka, who is a teacher at a boys' school, decided to gather students who had poor grades in the first semester and give a summer course. Among them, Yuka, who was particularly stimulated by her motherhood while watching Kawaguchi, who was a dropout, made a promise to get her to somehow get out. She said, "If you study hard and get results, you can kiss your teacher!" Her motivation was impure, but Kawaguchi steadily improved her academic ability. "As promised, I'll give you a reward!" Yuka and Kawaguchi put their lips together...
