学生乱搞护士和新老师。自慰到动漫！

Watching hentai: The protagonist is in love with his older sister Rin Kazama, who is also his teacher. One day, he decides to write her a love letter, but Rin does not like it. He goes to the nurse's station, where the nurse, Hazuki Mizushiro, gives him some magic pills that "increase attractiveness". She adds that anyone he kisses or touches with his seed will have an instant orgasm.