all three

 She was frozen in place.  Her mind raced.  Lou stumbled on a crumbled brick on his way around behind her.  She felt the thick, uncircumcized shaft inch its way into her from below.  The bum sucked on her nipples from beneath her as she swayed back and forth on his cock.  Karl stroked her hair with one soiled hand and drank another swig of whiskey with the other as he spastically jabbed into her mouth.

   "Okay, now relax." the bum beneath her said.  She felt the tension leave her muscles.  The bums held her up.  She felt something small and wet prod at her asshole.  Lou took a drink of whiskey and spat on it.  She felt him work his middle finger passed her rim, slowly into her.  He worked it back and forth, spitting every ten seconds or so until it lubed up nicely.  Tanya's eyes went wide when she felt the warm, smooth cockhead push against it as the finger withdrew.

   "Okay, you can tell us what you think of us again."  the bum beneath said, ramming his cock deep and hard inside her.  

   "Ugh!!! Motherfuckers!  I can't believe you wouAHH!!!" she cried as Lou's meathead popped into her virgin asshole.  She gritted her teeth, her body still relaxed but her mind on fire, as he **** his cock deeper in.  His strong hands were bruising her delicate, pale hips as he pulled her backwards.  

   "Keep sucking!" Karl said, and pushed his cock back into her mouth.  Her breath came in short explosions as he worked her mouth raw.  She clamped her eyes shut as she felt Lou's pubic hairs against her skin.  He was all the way inside her.  The bum below her was thrusting fast and hard.  She felt her pussy clamp down on the shaft.  What was happening!?  

   "That's right!  Cum bitch!  Cum like a little slut!"  the bum said through gritted teeth.  Her eyes went wide...