Hataraku saibō is a japanese manga series written and illustrated by akane shimizu it features the anthropomorphized cells of a human body with the two main protagonists being a red blood cell and a white blood cell she frequently encounters. Fresh out of training the cheerful and somewhat airheaded red blood cell ae3803 is ready to take on the ever so important task of transporting oxygen. On june 9th 2020 david production updated the scrip on netflix.