Bisexual college student gets caught jerking off by stepbrother and sister in family video

The video features a bisexual college student who is caught by his stepbrother and sister while jerking off at his desk. The stepbrother and sister walk in on him while he is pleasuring himself with his hand. The student is embarrassed and tries to cover himself up, but the stepbrother and sister are amused by his actions. They start to tease him and ask him if he has ever had sex with a girl or a guy. The student is hesitant at first, but eventually gives in and starts to show off his body. The stepbrother and sister take turns touching him and kissing him. The student is turned on and starts to moan with pleasure. The video ends with the stepbrother and sister having sex with each other while the student watches and strokes himself.