You fuck her ass, and she cums.

"No, No, Noooooooo!" Jenna cries, "Oh, god, please stop, I can't take any more! Ahh! Aaah! AAaaaaughh!!" Your sexy girlfriend's protest turn into a worldless cry, as she cums again, deep and hard, from you anal **** her. It's so good, you pump her ass full of hot thick cum again. Sweating, you pull out and sit back on the bed. You give Jessie an expectant look, but you don't have to say anything.

Jessie had already begged you to let her lick your cum from her sister's asshole again, and she eagerly buries her cute face between Jenna's asscheeks. "Mmm, mm," Jessie moans, "Oh, it's so good. I love your cum. I love licking your ****-cum from my sister's hot asshole. Mmmm, oh yeah." Jessie pulls back, smiling and licking her lips. Both girls are laying on the bed exhausted. Jenna is still chained up and totally helpless, and you feel like you could keep doing this all day.

(mark +1xp when you make Jenna cum)
(mark +1xp when Jessie swallows your cum
(hold 1 when Jessie licks out Jenna's ass)