Cells at Work!

Inside the human body, there are around thirty-seven billion cells, who diligently carry out their duties every day. New to her job, clumsy but cheerful Sekkekkyuu AE3803 is excited to start delivering oxygen and collecting carbon dioxide despite her poor sense of direction. Meanwhile, Hakkekkyuu U-1146 is always ready to fight and kill any pathogen that he comes across. After running into each other multiple times, they quickly become good friends, regardless of their contrasting personalities....

Hataraku Saibou placed seventh in the male readers category in the 2016 edition of Kono Manga ga Sugoi! magazine. The series was published in English as Cells at Work! by Kodansha Comics USA from November 1, 2016 to August 31, 2021, and in French by Pika Editions since May 31, 2017.