She gripped her wife's tentacles, tugging on them with one hand as she swatted her ass with the other.  Those tentacles loved something to play with, and Sarah loved playing with them too.  Funny she'd come to love what some had dubbed a 'tentacle monster'.  Her cock slurped in and out of the tight anal sphincter over and over, hips slapping her ass as she grunted and growled like an animal as she practically ruined her wife's asshole with every violent thrust.  It'd survive it, no problem, but she was quite a bit more durable than most human women, of course...<br/><br/>"Say my name!" she grunted, tugging the tentacles and smacking her ass hard "SAY IT!  SAY IT AS I FILL YOUR ASS WITH MY SEED!!!"<br/><br/>And fill it she would; her nuts clenched up, and with a scream she came, her twitching cock buried balls-deep into the ass of her lovely, damp lover.  Oh how much nut she'd be busting into her... and it hadn't even been a full day since the last time this similar scenario played out with less gusto!  Sarah always did go the extra mile when she had to leave for a while, after all...