A lonely housewife Yoko is almost living a year now without sex from her busy husband. She lives a peaceful life with their son, Kazushi. Schoolboy Kazushi is a teen boy who is still a virgin One day, Kazushi and his friend Ryouto is talking about how hot their mom is. Ryouto tells Kazushi that her mom is hot and doesnt mind if Kazushi bangs his mom. Until one day, Kazushi comes over to Ryouto's house and lost his virginity to Ryoto's horny mom. Same as Ryouto have a plan also to bang Kazushi's deprived mom.