BK7253

 is a character in Cells that Don't Work. She is a close friend of 036.

Appearance
BK7253 has long black hair. She wears the standard red blood cell uniform.

Personality
BK7253 is known to be impish.

History
BK7253 is an impish erythroblast codenamed 725. While studying in a library while studying for her final exam and meets 036. 036 keeps studying together with BK7253 until she graduates. After a long time, they finally meet together. BK7253 tries to persuade 036 so he could graduate and regulate the body together. 036 persistent to refuses, so she left him for good.

Abilities
As a red blood cell, she is a worker that is unable to protect herself. Therefore her job is to only transport goods.
 * Overall Abilities: Despite having no abilities to defend herself, she is capable of transporting goods into all corners of the body with high acceleration. She's even adept at getting through incredibly tight spaces, albeit with considerable difficulty.
 * Reversible Jacket: All red blood cells wear a reversible jacket that helps them indicate their speed when moving around in either veins or arteries. The jacket has extendable sleeves and zips up for colder weather.