He can hold off

Jake struggles with all his might as his older sister continues to suck him off.

"Hold it!" Mary orders as she gives light taps with her ruler against Jake's chest, "Hold it!"

Jake closes his eyes and grit his teeth.

"Think about something else then the orgasm you want to have."

"It's...hard...."

"No said it would be easy my boy, but try. Prove worthy of your family name."

Jake thinks about winning the sex belt from his mom, he thinks about living in a nice house of his own, having women crawl over him as men want to be him.

These thoughts start to work but then he thinks about Zoe, her long legs and big breasts. How her body seems to curve, the feeling of wanting to cum is now stronger.

"It feels like he's about to blow!" Casey says after taking her mouth off her brother's cock.

"Fine. I think that's enough. Cum Jake! Cum!"

Jake screams as Casey strokes him off, his cock starts to spurt cum across the room as Casey strokes him.

"Nice, distance." Casey says as she wipe her lips.

"Good boy." Mary says as she pats Jack's sweaty hair, "But we are hardly done yet. Now that we got you warm up let's see how your bed room skills.

Mary then leads Jake to the bed that is stationed in the middle of the room.