Male. Intern. Quite a psychopath. Known as 'Intern Ho'. His thick, black eyebrows curve upward depending on his expression, creating a playful yet intense impression. He has a straight bridge of the nose and a sharp tip. Overall, he has black hair that reveals his forehead, but the key point is a single thin strand of bangs in the middle that hangs down long between his eyebrows.

Male. Department Head. He always screams when he speaks. Example: "KYAAAAAAAK!!!" He has 'N' and 'K' written on his gloves. He has a smooth jawline and an oval (V-line) face shape that tapers toward the bottom. His bangs are pushed to the sides, revealing a clear forehead, and the width of his forehead is well-balanced with his lower face (chin).

Male. Old-fashioned and bossy. Manager. He is kind to NK but treats those lower than him poorly. He wears black semi-rimless glasses to create an intellectual or professional office worker vibe. A white cross (+) is drawn on the lenses. He carries a cane. He has dandy, parted black hair with a natural brown tint. A small mole is visible on his right cheek.

Male. Assistant Manager. Known as 'Assistant Manager Dae-sik'. A bit violent. He doesn't wear his thick, round black-rimmed glasses over his eyes; instead, he has them perched up on the boundary between his forehead and hair. There is blood across the bridge of his nose, giving him a rough and combative feel. He has a ponytail.

Male. Contractor. Known as 'Contractor B'. Insane. His chin is overall slender, giving a sharp impression. Something black is drawn under his right eye, making his eyes look longer and sharper, which visually carves out the upper contour of his cheekbones.

Male. Assistant Manager. Known as 'Assistant Manager T'. He has a large black 'T' shape drawn right in the center of his face. A horizontal line crosses his forehead, and a vertical line runs from between his eyes down to his philtrum and chin. He has no pupils. He has an afro.

Male. Clerk. Known as 'Clerk Memory'. He takes notes on everything. This time, he wears thick, round black-rimmed glasses properly over his eyes. He has a playful Kaiser mustache with curled ends and a unique beard that runs vertically from under his lower lip to the tip of his chin. He carries a magnifying glass.

Male. Assistant Manager. Known as 'Assistant Manager So-gyo'. However, he is still cleaning. He has an afro.