Just barely

You stand on your tiptoes to get enough leverage to push your prick inside. It slips in easily, and once you're inside Crystal squeezes down on it. You grab onto her hips, squeezing them as you hump her big ass.

"Tell me this is the best ass you've ever had!"

"It's so fucking good! Thank you Crystal! Thank you!"

She clamps down on your little cock.

"Say that it's the best you've ever had!"

"It's the best I've ever had! It's... uggggggggghhh" you groan as you cum harder than you ever have in your life. Days and days of backed up cum spurts out of your cock into Crystal's asshole. You lean your body against Crystal's in exhaustion.

"Thank you.... thank you..." you mutter over and over again.

Crystal shrugs you off of her. You slump down onto the ground, exhausted.

"Had your fun? Now it's my turn."

She turns around and pulls her leggings down to reveal...