Cass' payback wasn't instantaneous, he needed to plot and plan his revenge but he did get back at Edgar shortly after.
For the most part, Gideon was a watcher in their play. He wasn't used to this kind of thing so he was learning. What better way to learn than to have two teachers who were both competitive?
So while Cass was on his back for a while, Edgar showing Gideon how to touch Cass' cock in the way that he liked, Cass got to do the exact same thing to Edgar.
Only, of course Cass didn't keep it normal. He showed Gideon exactly what Edgar liked so much. He bent that man in half, folding him in on himself as he spread his legs wide open, even had Gideon help him hold his cheeks wide so that Edgar's eager hole was twitching and ready to greet them.
Edgar gasped, ready to complain, but Cass was in education mode with a hint of the devil inside of him.
