Here comes a new Cells at Work! spinoff series—with laughs galore! Erythroblasts are cells raised by a Macrophage in order to become promising Red Blood Cells, but that doesn't seem to be really the case here with these erythroblasts, who are on an indefinite moratorium—with no reason to work! (Source: Kodansha USA)

Hatarakanai Saibou was published digitally in English as Cells NOT at Work! by Kodansha Comics USA from October 1, 2019 to July 26, 2022.