Cool idea. Here are some boxing scenarios.
Well, the first time I face her I'm confident but cautious. But I fight smart and work her upper body, hurting her breasts. As her defenses eventually falter I am able to give her a right hook to the temple and a left uppercut that splits b/t her breasts and into her chin. She falls back to her right side with the side of her face in the sand. Puffs of sand coming up from her mouth tell me she is still alive but totally KOed. And in front of all our friends, too, that came on this beach trip with us nonetheless! I sit on her mouth and nose, grinding till I climax, squirting all over her face, before I turn her over to the rest of the group who do to her as they pleasure.
Of course, she wants her revenge and after returning from the beach trip she shows up at my door, unannounced. I except her challenge and take her downstairs to my impromptu gym and small ring. We strip nude again and lace up our gloves. This time I am arrogant and cocky. I beat her back into the corner, but she starts fighting dirty - knees me in the hip, then the lower belly. Hunched over I clinch before she tosses me around and into the corner. She uppercuts my 38DD breasts and I squeal in pain. And then another knee, this time right b/t my thighs to my sex. I cry out in pain. Knees bent and tears in my eyes as I grab for my mound to try to console it, which leaves me wide open. More breast shots send me flying backwards into the corner, stunned from the pain of it all. Whimpering, I beg for her to just finish me off, to which she kindly agrees and right left right... pow Pow POW!!! I slump in the corner KOed. She wraps her legs through the ropes and shoves her bush in my face. The coarse hairs of her thick womanhood tickle and scratch my face. i sob between her thighs as she face fucks me, bringing her to a screaming orgasm. Humiliated, and in my own house! I am left there curled up and broken as she leaves, telling me if I want my pussy busted up again, I know where she lives.