Anna gets to work

As promised, Billy reluctantly challenged Anna to a boxing match as soon as she got home. He was still confident he could beat her in a fair fight, if only he had a bit of time to recover... But Anna had backed him into a wall by forcing him to challenge her to box every day.

If he didn't give in to her demands, she would just challenge him in front of their mom, and then he would either have to fight Anna anyway, or look like a pussy in front of Heather. The big bad champ, scared of his little sis, all over one knockout. Not to mention the chance that Heather would find out about his intentional knockout loss to her, just like Anna had...

The agreement sunk any hope of him recovering back up to full strength. He would just have to rely on beating Anna, compromised toughness be damned. It was the best plan he had for now. But god, one more knockout, and things really wouldn't be looking good for him...

So Billy knocked on her bedroom door and issued the challenge, unable to meet his little sister's eyes as he did so. Anna perked up - almost as if she had forgotten about the deal - before she smirked.

"I accept your challenge," Anna said. "Go get your gloves. I've got mine already."

Billy nodded, silently and shamefully, then turned and left to get his weapons. While Billy was gone, Anna set up her phone on her bookcase to record the fight in secret. She made sure it had a good view of her entire bedroom, then hit the button.

Her heart was racing. This was it. She needed to knock him out again, so she could send Sophie the proof. Anna's breathing grew faster as she took the gloves that had finished Billy off of her nightstand.

Anna nervously pulled on her boxing gloves. She shouldn't have been nervous, but she was. Okay, that was a lie - she SHOULD have been nervous. Boxing her older brother, her older champion brother, definitely should have made her nervous. But that wasn't what she was nervous about, not after their last two fights. She was nervous about Sophie. Even if this worked, would she think Anna was some kind of freak? Would she even believe that Anna's win was legit? And Billy was still a champion boxer. If he did manage to win this time, would Anna have lost her only chance to get close to Sophie?

Anna gulped.

Worse... If Billy won this time, would Anna lose her new dominant personality? She had never been knocked out before, and the image forming in her head sort of ate at her. The nerdy little sister, acting all cocky, just to go the fuck to sleep. Her mind throbbed, imagining her annoying big bro punching her lights out, and standing over her limp, crumbled pile of a nerdy body. It would be so humiliating. How could she ever recover if something like that happened, and on camera too...?

Would she delete the footage? She'd have to, right? But that would be so embarrassing. It would be like giving up. But what would she even do with it if she kept it? Would she watch it? Watch her big bro's expression as she went down, ****, and stayed down...?

Billy came back in through her bedroom door as Anna licked her dry lips, looking at the other side of the room. He froze as his eyes caught her blue-padded hands.

"Uhhh... Sis, you're wearing... You're using the loaded gloves?"

Anna smirked, forcing a confident leer onto her face as she turned back to her brother. "What's wrong, bro? We took the weights out already, remember? Or did I knock that memory out of your dumb brain?"

"I remember, but..." Billy grimaced.

He had been pretty groggy at the time, having just been woken up from a shocking knockout to find his suddenly-dommy brat of a little sister pinning him down in bed. Not to mention the way his mind had been clouded from the looming promise of a blowjob. With all of those distractions, he wasn't actually sure he had taken all the weight out of the gloves. Sure, he had removed some of it, at least one weight from each glove, but... Was he sure he got all of it before Anna stitched the glove up again?

He shook his head. It didn't matter. She was just a nerd. Fuck her. Fuck her two knockouts. They didn't mean anything.

Sleeping him with a pair of loaded gloves wasn't all that. Sleeping him a few minutes after waking him up from his last KO wasn't all that. Anna was nothing compared to him. He had years in this sport. He was dominant. One day's recovery was all he needed, and whether those gloves were clean or still slightly loaded didn't matter. He was going to take her down, and set everything right again.

"...Fine. Let's do this," Billy said at last.

And with that, Anna glanced over at her phone camera nervously, and then stepped forward. The sibling boxing began again, this time, with full documentation.