Kouta finally started dating a girl after mustering the courage to confess. One day, he went to visit his girlfriend Miho's house as an excuse to greet her. Miho's mother Nanako warmly welcomed the nervous Kouta. As Kouta was introducing himself in the living room, he noticed something unbelievable! Nanako's nipples of a beautiful color were peeking through the gap in her cleavage…
