OBA-005 Because my wife cheated, I decided to take revenge on my mother-in-law. Iori Ryoko

Ever since my daughter Kyoko got married last year, Ryoko has been bored out of her mind. One day, Kyoko's husband Kazuya suddenly visited Ryoko's house. 'Actually, Kyoko was cheating...' Stunned by Kazuya's sudden confession and the harsh truth, Ryoko was left speechless. However, the wrongdoing committed by her daughter wouldn't disappear so easily. From that day on, Kazuya's 'revenge' began to unfold. For Ryoko, who had been sexually frustrated for so long, Kazuya's 'revenge' was far too stimulating...