The discreet rendezvous in the quiet library quickly escalates. The senior, now fully erect, lifts her skirt, revealing her bare pussy. He fingers her, feeling her wetness, then slides his cock inside, fucking her in missionary, her uniform riding up, revealing her ass. She moans softly, trying not to alert the nearby classrooms. He then flips her around, fucking her doggystyle, her tight pussy gripping his cock as he pounds into her. He pulls out, and she eagerly takes his cock in her mouth, swallowing his load as he cums, her face a mix of satisfaction and surprise.