Of course.

You figure that Alexa is still frustratingly turned on from your recent 'fucking', and getting her to cum would be the obvious goal of this fucking contest.

"Yeah. Lets do this." you say. "We both take turns fucking Alexa - she looks like she still needs it - and whomever makes her cum the most in ten minutes, wins"

Alexa immediately perks up at this, and begins eying both you and Charlie. You're not quite sure what is going through her head, exactly, but she is definitely interested in the direction this conversation has taken.

Charlie laughs. "Ok, yeah. You've already proven you're capable of 'fucking' - or at least something like fucking - with your cock caged up, so I won't feel bad when I beat you. Not even a little. How about you Alexa? You game?"

"Sure, I'm looking to get my rocks off after that little stunt you just pulled. Let's decide who goes first with a coin flip. Everyone agreed?"

You and Charlie both look at each other, and give a quick nod to Alexa.

"It will be interesting though. On one hand, I get more sensitive the more you play with me - and I am still plenty sensitive from my earlier 'fucking'. On the other, the more you play with me, the more I just crave a nice hard cock. I wonder who will have the bigger advantage - whomever goes first, or second?"

Of course Alexa couldn't resist the urge to throw in a good mind game. Alexa produces a coin, and quickly announces "Tails is Charlie, and you're Heads - for the obvious reason. Whomever it lands on, goes first" before tossing the coin into the air.