It's been a year since she remarried. Her husband, whose hobby is work, doesn't pay her any attention, and she spends lonely nights. As she indulges in pleasure by herself next to her husband as usual, her stepson Shota sneaks in. "It's all daddy's fault. So... I'll make you feel good instead." Though she knows it's wrong, Waka gives in to Shota's sweet whispers and sticky caresses...