OBA-023 - Sleeping with my ace teammate's mom - The secret of the gorgeous Kazuko

Hayato is the team's star ace, while Taro is just a benchwarmer struggling with inferiority. To make matters worse, Hayato's mother, Kazuko, is a stunning beauty. When Taro ends up counseling Kazuko about Hayato's secret troubles, the tension turns into an illicit affair. They cross the line, and their forbidden relationship begins to bloom.