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Your hand absent-mindedly rubs your dick through your jeans as you continue to watch your sister fuck Tyler's no longer virgin ass.

"You have an amazing ass," your sister compliments Tyler as she fucks him hard.

"It's yours whenever you want it," Tyler moans in reply, "Your cock is the best."

"I'll hold you to that. I could fuck this sweet ass of yours all day."

"Oh, fuck! I think I'm going to cum! I think I'm going to cum and I haven't even touched my dick!"

"God yes! Cum from having my fuck stick up your tight ass! Cum for me my new little ass slut!"

Tyler lets out a yell of pleasure as his cock explodes shooting a massive load all over the floor before collapsing in a state of pure bliss. Emily pulls her fake cock out of her lover's spent asshole and returns to her seat next to you without removing her strap-on. She grabs a name on her way back and reads it out loud, "Nika, Truth or Dare?"

The asian girl seems a little startled when your sister calls her name. After a few seconds of contemplation she answers, "Dare."

A big smile spreads across Emily's face. "I dare you to clean up the mess Tyler made on the floor and on my dick, using only your mouth."

Nika looks like she's going to object but then seems to resign herself to her fate. She slides out of her seat onto the floor and crawls over to where Tyler's cum is puddled on the floor. The sight of your crush submissively licking cum off the floor is pretty hot, but your sisters in sitting next to you still wearing her sexy blue strap-on.