"training" with the mistress
ok, here's a proposal, the protagonist was previously blackmailed by what is now his mistress, he is forced to obey her even when he doesn't want to and she asks (forces) him to help her with her "kickboxing training" he knows very well that in In this case, the boxing bag will be the one with his testicles, but he has no alternative, his mistress, in gymnastic clothes with leggings and white socks (reference image of Makima: https://www.deviantart.com/ghhoward/art/Makima-hitting-the-gym-968456074
)
attacks him in all the ways she can think of to "train "repeated kicks and knees, squeezing hard, crushing his balls by walking on them, all while the slave cries in pain, totally powerless, by the end the slave can barely breathe, but he has one last task, since his mistress has sweated a lot for the exercise, he will have to clean his feet with his tongue,
)
attacks him in all the ways she can think of to "train "repeated kicks and knees, squeezing hard, crushing his balls by walking on them, all while the slave cries in pain, totally powerless, by the end the slave can barely breathe, but he has one last task, since his mistress has sweated a lot for the exercise, he will have to clean his feet with his tongue,
