She gets bored with Gerald

Although there was excitement in being openly exposed in the office like this, and there was a certain sort of charm about Gerald's attempts to disrobe her, Clara quickly found herself wanting more. Sure, she was planning to stretch this whole AGS thing until she got tired with it, so it's not like she was in any rush. But she wanted more NOW. She wanted to be submissive to somebody. And Gerald's umms and ahhs just weren't going to cut it.

She raised her hand to scratch at her chin thoughtfully, which resulted in another bump under the table as Gerald banged his head. It was then that it occurred to Clara that she'd used the hand covering her privates. She considered covering once again, then decided against it. Let him look. Instead, she began to look around the office, trying to decide who would be most likely to... dominate her. Clara shivered in delight at the thought.

"Sorry Gerald, I'll be back in a minute." she said, picking up a folder sitting on her desk and using it to cover her crotch as she stood up.