When Sybil returns from her shower, she catches her trainer screwing her man and puts a stop to it.
When Sybil sees Van jerking off, she's more angry about the stain factor than his fapping.
Then he fucks her from behind and plays with her huge booty.
The boss at a fortune five hundred company can't keep it in his pants, so imagine his delight when his new secretary Sybil not only has the goods, but is willing to whip them out and stroke his cock with them, all to secure her position.