math teacher, entangled equation.

On the last day of the first semester, Akane, a mathematics teacher at Tokyo's private school, loved her English teacher, Suto, who had an affair with her students in the classroom. She was promised to divorce her wife someday, but Suto's wife was pregnant. When he was shocked to learn that, he impulsively put a cutter on his wrist in the staff room. The telephone rang at that time. His opponent was Haruki, the father of Koresuke, a student in the class where he served. Akira was asked by Haruki to make a summer home scoop and went to the villa of Haruki, the company's president. I was worried about my son, who was absent from school because of his asthma, and wanted him to see his late study during the summer vacation. Haruki also took a vacation to visit his villa for the busy Nakasuga no suke (Assistant Governor of Nakasuki Province). Haruki's wife died of illness a few years ago, and her secretary Yoko looked after her. i'm starting to get home scooped...