On the surface, Ryota Miki, a middle schooler, seems to get along with his adoptive mother. But behind the scenes, she's terrified of her son's every move, and for good reason—he's secretly keeping track of her every mistake. Meanwhile, his classmate Kaoru Kasai is fed up with his helicopter mom, believing that she's the reason for his bullying. One day, Ryota saves Kaoru, and a troublesome friendship is born. Read this psycho-suspense about a boy obsessed with finding the perfect mother!