You leave Gina and Sarah to fondle each other as you try to decide who you should use to get yourself hard again. Though Maya's tits look full and inviting, it is Serena who you realize has yet to experience a cock inside her tonight, and you plan to quickly remedy that. She's left some cum on her face from before—she's clearly learning—and she's rubbing her pussy gently with her eyes closed. You watch her for a minute, voluntarily masturbating in front of you and any of the other girls who care to watch. She's such a little exhibitionist.
You let your cock slide freely into her ass as you watch her startled face gasp and moan. Her pussy-rubbing only gets faster as you start to thrust, sawing back and forth into her tight, constricting hole. To reward her for being such an obedient little slut, you pull out and ram into her dripping slip instead, reaching around to diddle her clit as you fuck her. She's gasping and moaning as you quicken your pace, and doesn't stop even when you pull out and hold her perfectly still. "Down on your knees," you command. Serena reaches behind herself as she turns around and wraps her soft hand around your cock before she's even low enough to suck it. She tosses her hair up around her head and surprises you by enveloping your balls with her wet mouth, pressing her nose into your dick and jerking you softly. Sarah has really done an amazing job tutoring this blonde slut. You gently hold Serena's head in place as she suckles and licks, making you groan.
Once your balls are well-bathed, Se
