Mother-in-law, Much Better Than My Wife... Iroha Narumiya - Narimiya Iroha

Ayaka Narimiya is a mother-in-law who is much better than her son-in-law's wife. She is seduced by her son-in-law, Cheng Gong, who has been neglecting his wife's needs. As they engage in an illicit affair, Cheng Gong performs oral sex on Ayaka, followed by intense intercourse, ultimately leading to a creampie. The central kink of this movie revolves around the taboo of incestuous relationships between a mother-in-law and son-in-law.