I have to masturbate him because he doesn’t know how to do it

They were alone at home and his stepmother asked for help, so he offered to assist her. They had been a family for many years and he was always willing. On this occasion, he cut his finger, and she, quite concerned, went to suck on it to relieve the pain. But clearly, that turned into something more sexual than maternal. The older woman got horny and her hand almost automatically went to find his cock. They didn’t take long to undress, and she was surprised to see the tremendous erection of her stepson; she knew he was going to fuck her well. They fucked until finally, the boy came in her mouth, something she eagerly anticipated.
In the end, the boy got dressed to leave, and she felt quite regretful for what she had done, although she had enjoyed it a lot, the slut.