You are tied to a chair as a specimen in a witch school. You watch the teacher describe the lesson for the day: How to properly extract fluid from the specimen to use in potions. She describes and demonstrates how to give a male specimen an erection, a hand job, and blowjob before inviting sever students up to try giving them directions and compliments. As you get closer to cumming the teacher takes over pov doggysyle then giving you a hand job and a blowjob until you cum all over her tits.