Three years after getting married, a peaceful daily life with a kind husband. One day, she reunited with Coach Oshima, who was her idol in her club activities during her student days. Perhaps she felt sympathy for his lonely figure now. Even though she knew it was wrong, she had a forbidden relationship with him and continued to be fucked with his fingers and tongue many times. And before she knew it, obeying his commands became natural, and she was trained to the point where sex with him became addictive...