My wife's ass is so erotic I can't resist it!

A wife, Saki, lives happily with her husband, Yoshiro, and her father-in-law, Namuro. The lewd old man, Namuro, was inflating his erotic fantasies as he gazed at Saki's plump hip line. One day, a sudden tragedy struck Saki. While masturbating, a thorn stuck in my precious butt! Even when I look in the mirror, I can't see where the thorn is, and unfortunately my husband is on a business trip and won't be home for a while. Saki is at a loss and tries to get Rero to remove the thorn, but...