Arika married a man with a child from a previous marriage. However, her husband died in an accident, leaving her alone with her child, Kazuhiko. Meanwhile, Kazuhiko, who doesn't like his new mother, is unable to accept his father's death and escapes reality by assaulting her. One day, as he continues living this decadent life, his classmate Sanada finds out about it. Kazuhiko begs him to keep it a secret, but the naughty Sanada presses him, saying, "Then let me have your mother too."