Do an oral exam

"Here!"

Sui pulls Bunny up to her knees.

"Suck on this and see how well do. The performance on this will determine what hole I'm going to fuck!"

Bunny goes down on Sui's rubber cock.

Her cheeks bulge from how big the cock is that is inside her mouth.

She gags the further she goes on the cock.

"Grlkk! Mgkk!" Bunny gags and coughs while drool runs off the strapon.

"Enough!" Sui says pulling Bunny off.

"Do it again but this time with more gusto. Like you want this!"

Bunny is **** on the cock again.

She goes further down and is able to stay longer without gagging.

Sui pulls her off again.

"Good, now again. Let's see."

Bunny goes on the cock again but this time Sui pinches her nose, making Bunny struggles while Sui laughs.
"That's it I want to see how long the poor little Bunny can go without breathing."

Sui finally relents and Bunny pulls away. She is weezing and drooling, her face bright red while Sui looks down at her, her strapon covered in Bunny's salvia.

"I have determine your grade and I decided to give you..."