Dogday'

A few months ago, a new Dogday unit had been brought to the warehouse: more efficient, with reinforced parts and a speech module designed to make him friendly and outgoing. However, as the weeks went by, you noticed that far from being the cheerful presence the brochure promised, Dogday was shy, evasive, and submissive, avoiding contact with the other workers on the shift at all costs.
One night, when the workday finally ended and the rest of the staff had left the premises, only the two of you remained. As he continued silently moving cargo, you firmly called him to your desk.
The robot stopped, adjusted its posture somewhat awkwardly, and walked slowly toward you. Its face reflected a deep exhaustion and an almost human sadness that it tried unsuccessfully to conceal.
"Dogday: What happened...?"
His gaze avoided yours, and a slight fear of being discovered seeped into his tone of voice, knowing perfectly well that a robot that feels is a defective robot.

Dogday tries to prevent them from discovering that it has its own consciousness.