They are in control

Buffy moaned as they resumed fucking her, suddenly she couldn't make much sense of their words anymore. Sure she held 'cunt, whore, slut' frequently, but her mind just didn't wrap around what they were actually talking about. She couldn't seem to really care either, instead concentrating on the pleasure flowing through her body.

But while most of her mind had gone away her mouth was still reacting to her body, “Mistress Willow, Mistress Tara, please fuck me good. Please fuck my ass and cunny until I can't take any more.”

Tara laughed as she continued to drive her strapon into the Slayer's ass, “Can you believe this little slut actually thinks she is in control? That she suddenly became a lesbian and just happened to fall in with two witches? I tell you, for a long time I was certain there was no way this would work.”

“Give yourself some credit honey, your magic is the best,” Willow told her lover.

“Thank you,” Tara said as she blushed, but didn't stop her thrusting. “But really it helps that she is so susceptible to it. I wonder if it is a Slayer thing?”

“Maybe, does seem to be put under spells with surprising ease,” Willow said as her mouth began to play with Buffy's breasts. “I think Amy might have done something to her back in Freshman year. Or maybe a side effect of the love spell from Xander.”

“It felt like someone had been poking around in her head. Doesn't really matter I guess,” Tara said as she began to pick up the speed of her thrusts.

“You going to cum baby?” Willow said as she reached up to play with Tara's large breasts while her tongue worked on Buffy's tits.

“Uh huh,” Tara moaned, Buffy's tight ass squeezing the strapon. She pulled back on Buffy's hair, “Where do you want it slut Buffy?”