NGR- Flowing - A Wife Who First Tasted What It Is Like To Climax After Being Fucked By Her Brother-in-law - Ririko Kinoshita

It's been half a year since her mother-in-law passed away, and Ririko has gotten used to living alone with her husband. Then one day, her brother-in-law Bunta suddenly comes back... Ririko is annoyed by Bunta, a playboy who hits on her at every opportunity, but she gives in to his relentless advances and ends up sleeping with him. Unlike her selfish husband with his peculiar fetishes, Bunta's caresses hit all the right spots, making her climax over and over. Lost in the first pleasure she's ever experienced, Ririko continues to be swept away by her persistent brother-in-law's advances...