Keisuke, who has fallen in love with his mother Yukaka. Her mature body and beauty. Every time she exudes unguarded sex appeal, Keisuke can't help but see Yukaka as a sexual object rather than a mother. Unable to bear it any longer, he plots to make her his own, sneaking up on Yukaka while his father isn't looking. 'Do you like the chastity belt as a present? If you want me to take it off, ask me.' Keisuke tries to control his sexual desires with the chastity belt and possess Yukaka's body. Confused by Keisuke's outrageous behavior, Yukaka resists...
