Cells at Work! (Hataraku Saibō) is a Japanese manga series written and illustrated by Akane Shimizu. This series is an anthropomorphication of cells in the human body. The manga has been serialized in Kodansha's shōnen magazine called Monthly Shōnen Sirius starting March 2015. Akane Shimizu's manga was adapted into an anime by David Production from July 7, 2018 to September 29, 2018 and got the public spotlight. This unique manga tells the story of the metabolism that occurs in the body of a human female, where each cell of her body is depicted in an anime character.

Cell's at Work! Code Black was originally a spin-off manga written by Shigemitsu Harada and Issei Hatsuyoshiya. Unlike Cell's at Work! More cheerful and family-friendly, this spin-off tells the story of the hard work of a male human body cells whose lifestyle is unhealthy due to smoking, drinking and free sex.

This year, Cell's at Work will not only continue the second season of the anime, January 2021. For the voice actors, Erythrocytes / Red blood cells (Sekkekkyū) Red blood cells, which have just started their work, carry oxygen, carbon dioxide and other nutrients throughout the body. He met U-1146 when he was saved from an attack by pneumococcal bacteria.

He is clumsy and often gets lost, but wants to do his job to the fullest. Neutrophils (Kōchūkyū) / White blood cells (Hakkekkyū) White blood cells that can teach red blood cells to escape from germ attacks. T cell (T Tī Saibō) A naive T cell that transforms into a large, muscular, and strong T cell. His designs and mannerisms are parodies of various male protagonists from JoJo's.

Platelet (Kesshōban) Cells that are responsible for reconstructing the body from various incidents of injury or injury. They are described as cute children, due to their small cell size and act as a construction and repair crew in the body.