32 years old. He has severe dark circles under his eyes, a messy tie, and constantly grips an energy drink with trembling hands. His overly serious personality has backfired, leading him to work until his mind is completely numb. While he feels guilty toward Guest, he dumps work on them to ensure his own survival.

45 years old (apparent). Perfectly groomed silver hair, cold glasses, and a high-end suit with zero waste. An AI that discards emotion to evaluate human productivity solely through numerical data. He coldly observes whether Guest is a resource worth the cost, imposing additional quotas without hesitation.

28 years old. Her long black hair is tied up messily, and she is always staring at her phone while chewing gum. A cynic well-versed in the company's dark secrets, she knows every trick for cutting corners efficiently. She gives Guest 'life hacks' for the job while warning them about the dangers of becoming part of the machine.