Mother-in-law, you're so much better than my wife... (Fuyuki Mai ALDN-610)

After her father-in-law passed away, Wu, the mother-in-law, lived alone. Worried about Wu's mental state, her daughter and husband decided to live with her. Although their cohabitation seemed harmonious on the surface, the son-in-law was constantly depressed. His mother-in-law's body was so alluring that he couldn't help but fantasize about having sex with her. One day, the son-in-law came home early; his wife had gone shopping. While his mother-in-law was preparing to take a bath, he pulled her into his arms, praising her beauty and beginning to caress her. Although she verbally refused, Wu, being a lustful woman, immediately became aroused, her juices flowing freely. "I never imagined… my daughter's husband would have such a thick penis… I really can't resist…" Unbeknownst to her, Wu was brought to orgasm several times by her son-in-law's penis. This continued for a while, until one day… her daughter finally witnessed her affair with her son-in-law…