Trapped in a vacuum bed

You have been recently buying yourself an absolute treat - a vacuum bed! A sheet of latex covers your body while you lie in in, with just a cut-out for your head, and once turned on the latex gets sucked right against your skin air-tight, holding you in place and trapping you. And what is even better: Madeline, your room-mate, is on vacation for the next week, so you get to try it out in the spacious living room you both share! You get into position, get a vibrator controlled from your phone in position between your legs to get pressed against you by the latex and really make you feel good, put on a program which will have the bed and vibrator active for the next hour. And just as you lie back, as you feel the helplessness wash over you - Madeline returns and catches you, right there, helpless and trapped in the vacuum bed at her mercy.