Anna goes to bed.

Anna gathered her clothes and walked out of the room nonchalantly, but it was all an act. She didn't want Billy to see how horny she still was; he might think she was a slut. This thing with boxing Billy had taught her so many things about her body...one thing was that she was a lot more graceful and athletic than she had previously thought. Another was that she could have multiple orgasms. In the past, she had always been satisfied by one. But now, it seemed that each one only made her MORE horny.

Anna hurried back to her room as soon as she knew Billy couldn't see her. She tossed her clothes into a corner and jumped into bed, sliding her fingers down past her sensitive breasts, down her flat, toned and slightly bruised belly, down past her neatly shaved mound and finally into her hungry pussy. "Uhhnnnnnnn...." she moaned as the pleasure ramped up in intensity.

After a few minutes, she realized that this wasn't going to work. She needed to be filled by something. She rummaged around in her bedside table, finding what she wanted--a massive purple vibrator that more closely resembled an eggplant than a cock. Most times, she couldn't even fit this inside her. But right now, she knew it was going to be perfect.

Anna made a few little moans of discomfort as she worked the vibe into her pussy, but she could feel her pussy relaxing to accommodate it. And once it was in, her pussy squeezed it hard, by reflex, sending a wave of pleasure over Anna.

Now she used one hand to gently slide the vibe in and out a little bit, while using the fingers of her other hand to work her clit. Images came unbidden to her head. Her mind blew through her first match with Billy: his discomfort, her nervousness, the punch he barely avoided, the punch he didn't avoid...aka the punch that floored him.

But what really turned her on was what had happened afterward. His confession, their second match. The fair match. The match where she'd beaten him...again. Her quick jabs that he had no answer for. Her frenzied, all-out attack that pushed him up against the wall and **** him to clinch her. The feeling she'd gotten as he wrapped his arms around her--first indignation, then elation when he explained he'd only done it because he feared he would have lost otherwise.

For a moment, her mind lingered on Billy's momentary comeback. He'd attacked her and hit her hard, a few times in the face that disoriented her, and once hard in the stomach. At the time, it had been painful enough to bring Anna to her knees and almost end the match. But when she thought of it now, it turned her on just as much as the thought of beating Billy up. Why? She would have to explore this later on.

For now, she let her mind pass on to the last part of the match. The way she pinned him against the wall and beat the living daylights out of him. The way he tried to clinch again (another admission that she was superior), but she didn't let him, ducking him and hitting him even harder. The way she beat the last little resistance out of him, the way he ultimately put his arms down and let her knock him out.

Anna stretched her legs and tensed every muscle as she thought about Billy turning into knocked-out jelly and collapsing at her feet. "Nnn--nnnnn--unnnnngghh!" she moaned rhythmically as another earth-shattering orgasm finally found her.

"Oh! Oh! AAAAAAAAH!" Anna couldn't stop herself from screaming. Hopefully, nobody heard...but she didn't really care if they did. Her mom wouldn't care, and Billy...well, there was nothing Billy could do about it.

As she came down from her second screaming orgasm of the night, Anna wondered what to do with Billy. He had willingly kissed her ass after she beat him...that seemed to mean he'd be willing to do just about anything she asked. When she fought him again, would he try? Or would he just be a willing punching bag? Did it matter? Maybe the result would be the same either way. If Billy had argued her win of the fair fight was a fluke caused by him underestimating her, she would have believed him. But that's not how he reacted...he reacted as if she was truly the superior boxer, so Anna would take him at his word.

One thing was certain, Anna thought as she pulled a pair of pajama pants over her sleek legs and tight butt. She wasn't done boxing Billy. Not by a long shot.