Isuka Yoshihito, a high school infirmary sensei, fell in love with a student, Shiina Satoru. However, after Sensei confessed to Shiina-kun, things started to go wrong. The mild-mannered Shiina became totally different and their strange relationship began. Also includes the one shots <amlink subject="25252">Evening Grew</amlink> and <amlink subject="25252">That Future that is Unknown to Us</amlink>. (Source: MU)