U-1196

White Blood Cell (BLACK) is one of the two protagonists of Cells at Work! BLACK. She is a Neutrophil in a poorly maintained body, and thus an abusive work condition.

Appearance
She has white hair, clothes and skin. Her hair is loose and long, it reaches past her shoulders. Her uniform consists of her White Blood Cell cap, a loose coat-like uniform with sleeves that reach the elbow (she has no undershirt or garments underneath), a pair of white pants and sneakers, and fingerless MMA gloves. Her usual weapon is a katana and her uniform is frequently torn from her battles.

Personality
She is very set on her mission and never complains about the hardships of working in the bad work conditions or the poor treatment they receive, but still appreciates support and shows respect to other cells.

Abilities
She is generally equipped with a katana. As a neutrophil, she can:
 * Overall Abilities: As one of the most abundant white blood cells, she can terminate any kind of harmful cells to the body such as bacteria.
 * Phagocytosis: White blood cells can analyze an unknown foreign cell by eating them which will help them identify its species.
 * Receptor: All neutrophils have a receptor that acts like a radar which alerts them whenever a threat is near.
 * Wandering Cell: A cell that is not fixed in place and able to move freely around the blood vessel.
 * Transmigrate: Ability to move through blood vessel walls to reach her destination much faster.

Trivia

 * In an extra: when asked by Red Blood Cell, she says her number is written on the inside of her shirt. When she asked if he wants to see it, he declines out of decency.
 * Her number is U-0001.