He had made gestures to express his desire to have sex with the female employee, but she resisted and flatly refused. However, that didn't stop him, when she didn't notice, he secretly put the aphrodisiac into the water bottle and invited her to drink. Finally, what he wanted was achieved, the female employee was constantly writhing and agitated in her body when the aphrodisiac began to take effect, which was also the time when he could control her body easily.
