[Slow down and let the edge fade away. Then short hip thrusts at M=150 until you edge and hold the edge as you read]
You lick Abby's pussy desperately, hoping that she'll let you cum as well as Julie. Your cock throbs painfully as Julie keeps you on the edge expertly, always one full stroke away from cumming.
ABBY: You're cheating Julie, you know he's not allowed to cum without us both giving permission.
Abby hops off you and turns around, showing off her naked pussy and bra. She pins your arms with her knees and grabs your hair, pulling you into licking her clit, burying your face between her thighs.
ABBY: Lick hard and fast if you want to breathe again slave.
[Hold your breath for 15secs and lick the ball pussy in your mouth as fast as you can whilst riding the edge]