His cock was tearing up her ass with ferocious strokes over and over. She felt like the spit-lubed cock was going to rip her in half with every thrust up her battered asshole. The force of his balls slapping against her dripping pussy made her ache on the edge of screaming as tears filled her eyes and the pain dimmed her thoughts. All because of a little grade on a test. She’d have to get A’s more often, if the professor was going to reward her like this!