It was very strange waiting in line with a bunch of strangers to fuck my own girlfriend. By the time it was my turn, her face and hair... well, most ...very part of her actually... was covered in or filled with cum and she had hickeys and bruises and bite marks everywhere. When I climbed between her legs, she opened her eyes, looked at me, smiled, wrapped her arms and legs around me and grunted and groaned and fucked me back until I dumped another load up into her very sloppy and well used. The most she could conceive of was a failure to actively participate in her domination. But even that, she knew, wasn't right -- was just a momentary lapse into pointless rebellion. It was much better to cooperate, Amy thought as she inhaled her teacher's dark, powerful scent at close range, her nostrils flaring in a new anticipatory hunger. Within a few seconds she was participating eagerly, straining to coax an extra inch or two of height out of her frame so she could be more thoroughly. Her climax had clearly aroused her partner too because he knelt up, moistened his cock and then eased himself into her. After his licking and then her climax she was obviously very wet and he glided in with one smooth stroke. He slowly moved in and out, deep to his balls then out almost entirely, savouring the exquisite sensation of her love tunnel squeezing his cock. Gradually he increased the tempo and his arse rose and fell rhythmically as he drove into her.The watcher wanted to see more so,. She was a bit of a hippie, loved nature, was very free and laid back and she didn't like to wear a bra unless she had too. Aunt Linda was a pot head and the whole family knew except grandma and grandpa (Her parents). Anyway, while driving back Aunt Linda told me how she was without a boyfriend for the past six months and how guys all suck. She even joked about becoming a lesbian, but that women are worse than men. She asked if I would like to go to a club and hang out for the night because.