Jeff, before he clicked the begin button, accidentally ticked the self-control box, allowing him to control his new form. As Jeff was inside his fathers underwear, he twitched.
"Wait, did I just twitched." as Jeff tried to do it again.
*Twitch*
And Jeff felt a wave of arousal as he rubbed to the fabric.
"Ohh, that felt good. I wonder..." as Jeff rocked in his fathers underwear.
"I did not know I can control myself." as Jeff rocked harder.
"What if.." Jeff said as he rocked front and back, and felt arousal filling him. He was masturbating, without his fathers knowledge. Then he masturbated harder on his own, and his father moaned in pleasure.
He then bent down, and rubbed himself to his fathers crotch. Then, his father, in arousally hipnotized mode, stroke his penis, harder and harder each time, that Jeff was loving it, then Jeff felt hard, as he hardens. Then Jeff felt a wave of liquid coming out of his mouth, but Jeff forced himself to hold, forcing his father to stroke harder. Then, he released it all. It was all pleasure, cum spewing out like a fountain from his mouth. His dad stopped in exhaustion. Then, Jeff thought.
"Can I secrete cum without stroking?" he tried to force harder, and he overtook his father's crotch, rather than a penis.
"WOW, I became his crotch! I control his pee gland and cum gland!" as he forces himself to secrete cum.
As he did that, cum spewed forth in a jet of whiteness.
"Awesome." then he