A middle-aged couple, whose son is away at home, are indulging in sex at a love hotel. (Yoshii Miki ROE-050)

After their son grew up and left home, the couple made love almost every day. However, their constant intimacy wavered… because their son was coming home for school holidays. As parents, they should have been happy, but the increasingly lustful father couldn't control himself. Yet, with their son in the living room, they couldn't make a sound… Unable to endure it any longer, the couple went to a love hotel…