Seri lives with her husband Manabu and her father-in-law Tooru. Recently, she hasn't had a conversation with her husband, let alone a nighttime affair. Tooru is the one who helps her forget her loneliness. To Seri, Tooru is the father figure she longed for, and the ideal man. Then, one day, when Seri finds out that her husband is cheating on her, she begins to reveal her feelings for Tooru. She seductively shows off her young, firm body, boldly exposing her cleavage to attract Tooru's attention, and then she reaches for his dick...