SDMU-810 SOD Romance - Mio Kimijima, a lewd mother-in-law who can't help but suck her son's morning-erect penis

Mio lost her husband, who was a lot older than her, due to illness, and was living with her husband's stepchild, Kenichi. - After her husband's death, there were times when she missed being a human being as a 30-year-old woman who continued to maintain her chastity, but she suppressed those feelings in order to raise her son. - However, one day, when she saw her son-in-law's energetic rise in the morning, she couldn't resist and ended up sucking his erection...