Willing experimental test subject (MP4 SD 3500kbps)

Description: Mp4 1280x720 sd ~natalie charm & sexy slyyy~ bondage, consensual bondage, fucking machine, did, bound orgasms, dildo fucking, dildo sucking, rope bondage, tied up, tied elbows, crushed elbows, gagged girl, novelty ring gag, shiny, satin blouse, leather skirt, upskirt, high heels, big tits, breast bondage, tied tits, dildo impaled, wand vibrator, suspension bondage, leather belt bondage, inverted hogtie, bound blowjob, struggling, multiple orgasms, bdsm natalie is having fertility issues. for years she has tried to get pregnant, but no luck and in-vitro is just too expensive. hearing of a new experimental procedure, she meets up with slyyy who is leading the experimental trials. slyyy listens to her pleas of desperation and warns her, it's experimental and not everyone can handle what's involved. natalie is eager and willing to do anything. the contract is signed and slyyy has her assistant prepare her. natalie is now very tightly bound, waiting for slyyy to return. her elbows unnaturally squeezed into each other, wrists and tits are tied, and her leg have been roped at the knees and ankles. slyyy examines her binds and informs her they are ready to begin the prep work. strapping a lip shape o-ring gag into natalie's mouth, she then takes a dildo and proceeds to fuck her mouth with it. she explains to her that in order for successful fertilization, she must be brought to a heightened state of arousal and kept there.  drool runs from her mouth as slyyy grabs a vibrating wand. she jams it between natalie's thighs, buzzing her pussy. slyyy puts the dildo back in her mouth, while bringing her to climax. having natalie move to the floor, slyyy can have more direct access, holding her legs back fulling exposing her wet pussy. natalie can't stop moaning as each wave of orgasm hits her. after several shaking orgasms, natalie is ready to go the basement where the procedure is conducted.  walking her into the lab, slyyy lubes a dildo that is mounted on a chair. she assists natalie as she takes a st, guiding the dildo into her pussy. once fully seated, slyyy ties her ankles to the chair while giving her a bit more info on how it all works and about her fertility issues. next she takes a hitachi vibrating wand, spreads natalie's lips and plants it right on her clit. natalie's head flies back with wide eyes, as a long continuous moan expels from her.  slyyy doesn't give her much of a break except to vibe her tender nipples before thrusting it right back down to her pussy. natalie is screaming with intense orgasms, shaking in her chair. slyyy instructs her to ride the dildo, while she vibes her and plays with her tits. several orgasms later, with alternating low and high speeds, natalie is panting but not giving up. she is ready for the next phase.  natalie is now hanging around in an inverted hogtie.  her arms and legs have been bound with thick, heavy leather straps. slyyy enters wearing a mini dress and a strap on. she wastes no time in grabbing a thrusting vibrator and slides it into natalie's cunt. she gasps and moans as it repeatedly thrusts inside. slyyy grabs another leather strap and secures the vibrator deep inside her. natalie is then instructed to suck the strap on cock. they need her as highly aroused as possible for success.  natalie sucks on the phallus, drooling all over. giving her a break to catch her breath, slyyy steps a way for a moment only to return with the hitachi. she shoves it back on natalie's clit and she wails instantly. crying out in ecstasy, natalie gobbles the dildo back in her mouth. several mind blowing orgasms later, she releases so she can belt out another intense one. she will move on to the insemination phase phase next. natalie is now on a bed, bent forward over a bar, while her kneeling legs have been bound to the bed frame. her arms still bound behind her and her face pressed into the mattress. as slyyy prepares the insemination machine, she informs thee ecstatic natalie that this last part is 12 hours. she will be fucked by this machine while it deposits in her every few minutes. she ties the machine in place, turns in on and in it goes, right into her dripping pussy. natalie moans away as slyyy ups the speed the on the thrusts. now with the machine pounding her pussy, slyyy brings back the vibrating wand and presses it into her clit. her creamy cunt is responding very well to the treatment and things are looking promising. natalie can't stop cumming, nor should she if she wants this to work. her eyes roll back and she swings her feet, unable to move otherwise.  slyyy unties her arms and reties them to the bed, to give her a bit more comfort for the duration of the insemination process. cranking up the speed again, she snags a few more orgasms from her with the wand before leaving her for the next 11 plus hours. natalie doesn't seem to have a complaint, it's something she really wants and it clearly feels amazing. (40:17 minutes)