Rinrinko has gotten used to living with just her husband half a year after her mother-in-law passed away. One day, her brother-in-law Bunta suddenly returns… Rinrinko grew tired of Bunta, who always tried to lure her out for fun, but she was swept away by his relentless advances and ended up having a relationship with him. Unlike her selfish husband with his peculiar fetishes, Bunta's caresses stimulated her sensitive spots, sending her to climax again and again. Rinrinko lost herself in the pleasure she had never experienced before and continued to succumb to her brother-in-law's persistent invitations…
