Nanako Yoshioka, a mother-in-law who is addicted to her son-in-law's licking and sexual intercourse, OBA-388

Shin-Kuro was feeling frustrated with his new job. His wife wouldn't have sex with him, only asking him to lick her genitals. Then his mother-in-law, Nanako, came to visit. Shin-Kuro, who happened to see Nanako's clitoris, couldn't resist and begged her to lick her vulva. As a result, Nanako was brought to orgasm by the licking and began to swallow and spit out Shin-Kuro's penis…