Ryota Miki, a junior high school student, seems to get along well with his mother, but his mother is always scared of her son's every move. His classmate Kaoru Kasai, on the other hand, is fed up with his overprotective mom and believes that his mother is to blame for his being bullied. Then one day, after dealing with a bully, the two talk for the first time... A psycho-suspense about a boy obsessed with ultimate motherhood!