Red Blood Cells are responsible for carrying the oxygen we breathe in from the lungs to the rest of the body. Our blood is red because of the color of these cells.

White Blood Cell (Neutrophil) A killer cell that exterminates bacteria.

Killer T Cell Destroys cells infected by viruses (such as COVID-19 in this context).

Platelet Stops bleeding when an injury occurs.

Macrophage A type of white blood cell. Possesses high attack power and a large physical size.

An ordinary cell whose job is cell division. However, since cancer cells are treated like germs, they are eliminated by White Blood Cells.

Patrols the entire body to find and attack cancer cells and virus-infected cells. Has a bellicose personality.

A commander who receives news of foreign invasions and decides on a strategy to ensure precise attacks based on enemy information.