Story: My poor boy is starting to get frustrated from all the games i do on him, i can feel it.extracting his sperm while rarely letting him enjoy it has slowly exhausted him. i can't risk losing my fun.i have a naughty plan that sooner or later will work and he will remain my slave forever.today i'm in my fertile days and he has no idea. i don't want much from him, i just need a fast ejaculation inside of me, that's all.i've expected it and have him almost 2 days with no plays and no cumming. i know what to do. i will tie him up and edge him with my hands, then slap his balls...and repeat. this is his weakness.with enough torment on his balls i can completely mess up his control and feeling of when he is about to cum, i know this quite well...even if he pulls out most likely he would have spilled some already. i have noticed it for some time now during my sessions with him.also making him wild from all that ballbusting and edging will cloud his mind and hopefuly he will lose his self-control.i could tie him up on the bed and ride him dry but manipulation is half the fun :) with him standing up i have complete freedom with how i play with his balls, so i tied up his hands on the door's pull up bar.i didn't even needed to remove my clothes to make him burn with desire.the teasing must have been incredible for him, kissing him with eye contact, fondling and licking his chest, biting his lips and neck.then my rough self takes over, slapping his dick and balls hard, grabbing and squeezing them with no mercy. and repeat, again and again. i brought him to the edge, then gave him a last hard slap and released him.he had lost his mind by then and he just lifted my skirt up, grabbed me by my hair and fucked my against the wall hard and fast. he couldn't last one minute, he filled my up almost instantly and collapsed on my back, drained and exhausted.