She inserts the vibrator while her stepfather fucks

Her stepdad is fucking in the next room and she can't help but get horny listening to it. she has actually even peeked out to see him in action, and fuck how she's putting on. she has even brought a very quiet vibrator that she has to masturbate while she spies on them from the door, uff, she's already about to cum just watching how he fucks mom.