In the sterile confines of the lab, a lonesome researcher escapes the monotony of his work by retreating to the bathroom. He unzips, revealing his throbbing member, and begins to stroke it with purpose. The room fills with the sound of skin slapping skin as he increases his pace, his gaze fixed on the porcelain sink. His breath hitches, and with a final, powerful stroke, he shoots his load into a waiting glass container, the sight of his milky seed filling the vial bringing him a sense of accomplishment.