Donnie Donnie Rock , a young amateur chemist, needs a guinea pig on which to test his latest concoction. He believes he has created a potion that will turn normal everyday girls into raging sluts. So, he spikes the ice tea and offers a glass to his virgin sister Tara Ashley . She takes a few sips and low-and-behold, his potion works! His sister becomes super horny. She can’t control herself and rubs-one-out. Ramming her pussy with her fingers, she brings herself to climax. That’s when she notices her
