A considerate series design letting you enjoy both a dominant woman and a masochistic woman with stunning big asses. This time, Black Mask appears as an elegant lady with 10,000 power, boasting 100 sadism and 100 masochism levels despite having the smallest butt in the series at 90cm. The masked, big-ass woman performs a face-hiding endurance challenge style to satisfy both dominant and submissive desires. When meeting a submissive man, she drives him nearly unconscious with intense nipple torture by licking his face all over, then crushes his face with her massive ass in cowgirl face-sitting, forcing a massive cumshot. As a reward, she unexpectedly releases a thick stream of pre-cum while pissing. During the affectionate sex that follows, enjoy powerful visuals of her huge ass shaking in cowgirl position and seated sex. With toy play, she stuffs multiple vibrators inside and reaches intense orgasms with an electric dildo. Drenched in cum, she pleads, "Wet my pussy," then receives high-speed dildo thrusting and double blowjob until she's facialized with Maskman's load. Finally, a face-revealing threesome appears, unveiling her true identity as an insanely perverted, anything-goes sexy model. Her exposed anus and lewd, huge ass are spanked until bright red, then she's brought to climax with sloppy double handjobs, suddenly demanding, "Put pantyhose on me!" leading into a pantyhose-face-distortion threesome sex. Of course, the camera focuses intensely on her big ass, delivering ultra-powerful, must-see fucking scenes! A wildly perverted, 10,000-power ass hell guaranteed to satisfy even the most hardcore fetish fans!