Emma's mouth does the trick!

Slowly your cock gets hard in Emma's mouth and she has to eventually let your inflating member escape her mouth - it's fortunately too big to fit in her mouth anymore. You breath a sigh of relief and look over at Jacob who is giving you a supportive look.

"You want first dibs?" Emma asks, which you hadn't expected. She gets on all fours on the bed and you insert your cock into her from behind while she take's Jacob in her mouth.

Jacob keeps trying to involve you in his experience - telling you what a great mouth your girlfriend has and asking you if "she's real tight back there." He tells you he can't wait for his turn, and calls you bro and man repeatedly. You try to match his excitement at sharing your girlfriend with him - hopeful that it will lead down a path of sharing his hot girlfriend Isabella, but you're not sure if you're pulling it off.

After Emma cums for the first time, you jump when he actually grabs you by your shoulders to lead you out of Emma's pussy.

"My turn, buddy!" Jacob tells you cheerfully.