Protecting his new lifestyle.

When Karyn knocked on the door, Jon had just slammed deep into Zoe's pussy, filling it with his cum. His little goth strumpet rode him hard as Karyn stood there in shock watching this incestuous tryst.
"Jon! What the hell? That's your sister!" she screamed as the two pushed together.
"So? We love each other," answered Jon cupping his sister's breasts lovingly.
Karyn reached out, but Jon got the stone first and held it fast.
"God Karyn, I wish you'd just shut up and join us." he wished