Skinny Avery Moon replaces suction dildo with stepbro's big dick

Avery Moon, horny skinny teen, thinks she's home alone. She attaches suction dildo to a fridge in the kitchen to have a masturbation session. Stepbrother comes home earlier and finds slutty stepsister backing up on dildo. He catches a moment to replace sex toy with his rock hard dick to fuck Avery from behind. Surprised and caught off guard stepsister enjoys being fucked doggystyle. He pronebones Avery's tight pussy, then stepsis rides him face to face till he cums on her stomach.