The wife poisoned by aphrodisiacs after being slept with by her father-in-law - Suehiro Jun SAN-218

Chun and her husband have no children, and she is constantly pressured by her father-in-law. He has long targeted Chun, using this opportunity to engage in lewd acts. Unable to endure it any longer, Chun ultimately uses a dangerous aphrodisiac. Her father-in-law, oblivious to his daughter's increasingly strange behavior, revels in his beautiful body and vagina.