Emma is up 2-0, but Katherine has a chance

You slowly pull out of Emma, leaving her panting and lying on top of Sabrina. Emma's eyes are closed, still enjoying the pleasure you've given her. You almost laugh at the disgusted look on Sabrina's face as she tries to move and throw Emma off of her, but she's bound too tightly. Emma's juices are still covering her face and her pussy is still red and swollen from your fucking. It's quite the sight.

"I think you need a rest now," Katherine is suddenly next to you, purring in your ear, "how about you sit back on the couch with me, watch some TV and let me help you relax?" You can tell Katherine is getting ****, already down 2-0 to her sister and afraid of the losing consequences.

Emma hears this, even in her dazed state. She rolls off Sabrina and sits up on the bed, a thin sheen of sweat on her chest making her perky, teenage breasts glisten in the morning sunlight coming through your apartment curtains. "Remember Katherine we agreed, 15 minutes and then we switch. That's the rules."

“Yes yes I know Emma, there’s still ten minutes left for you but you stole that cum from me. That point should have been mine,” Katherine responds, crossing her arms in frustration.

“I didn’t steal his cum, I earned it fair and square with my body,” Emma says, before pausing and giggling, “Oh and our evil sister’s body too! Anyways since I’m nice, I’ll let you have my remaining time and yours as well, I doubt you’ll be able to recharge him fast enough anyways.”