I think Jon should have fantasies where Elias reveals to him that the reason he had Jon was to raise him to be his perfect personal sex toy. And that he loved him and was so so proud of him. Knew he’d do such a good job. His perfect boy. And Jon can scream and thrash and fight it all he wants but there’s nothing he can do to stop Elias from restraining him, from pushing deep inside him. Using him again and again and again.

He’s often chained in Elias’ office in these fantasies. Has put an awful lot of thought into how he’d be kept both secure and hidden. How he’d spend hours under Elias’ desk, helpless to do anything to resist the intrusion of his father’s cock in his mouth, his cunt, his ass. What if he was his father’s personal urinal? His cocksleeve? His pet? What if Elias told him how good he was at sucking cock? What if he got Jon pregnant? All round and perfect and full of his father’s child?
One of Jon’s personal favorites is one where his dad edges him for hours when he’s heavily pregnant. Keeps Jon pleasured but unable to finish until he’s so desperate he breaks and begs for his dad’s cock in him. Elias pulling Jon into his lap and bouncing him on his prick, Jon knowing he could get up, leave, try and run, but the overwhelming sensation of being filled and the fatigue of pregnancy and how difficult it would be to run when he’s so round and heavy are enough to keep him in place, bouncing and whining and moaning on his dad’s cock.