Includes the love affairs of mothers-in-law who fall into an immoral incest relationship with their son-in-law and get lustful! Kazuya's father remarried to Satomi, a classmate whom she admired during her school days. For Kazuya, who still has feelings for his girlfriend Satomi, days of confusion continue. The perfect mother-in-law to her, Mari was both an admiration and awe of her son Taiki. However, one day, Taiki learns Marina's sexual secret. Tsuyoshi, who was taken in by his mother after his parents divorced, came to see his father during the summer vacation, but soon after his father went overseas and was alone with Ayumi, who became his mother-in-law. It will be neglected….
