I'm an infinitely sexual boy who masturbates every day until I run out of cock, and my mother-in-law, who seems to be a former bimbo who is my father's remarriage partner, started living together. One day, there is a strange noise coming from the second floor, so when my mother-in-law looks into it, my son-in-law is masturbating. A former bimbo mother-in-law who is seriously worried about her son-in-law who can't stop no matter how many times he ejaculates. It's not cheating if you say it with y...