The official Twitter for the anime series adaptation of Shigemitsu Harada and Issei Hatsuyoshiya’s Cells at Work! spinoff manga series began streaming a promo video for Cells at Work! Code Black. The new anime series begins to broadcast in January 2021. The show was first announced in the 20th issue of Kodansha’s Morning magazine.
最もブラックな職場は――あなたの体内!?— 『はたらく細胞BLACK』【公式】 (@cellsatworkbla1) January 4, 2020
LIDEN FILMS is animating and Hideyo Yamamoto (Strike the Blood, Magical Girl Spec-Ops Asuka) is the anime series, director. In addition, Hayashi Mori (The Snack World, Layton Mystery Tanteisha: Katori no Nazotoki File) will write the series scripts, and Eiji Abiko (Last Hope, Baby Blue) will design the characters. The series is a different project from the TV anime series adaptation of Akane Shimizu’s Cells at Work!, which will also receive a second season in 2021.
Shimizu serialized the manga in Kodansha’s shōnen manga magazine Monthly Shōnen Sirius starting in March 2015. The manga received numerous spinoff including Hataraku Saikin (Bacteria at Work), Hatarakanai Saibō (Cells That Don’t Work), Cells at Work! Code Black (Hataraku Saibō Black), Hataraku Saibō Friend, Hataraku Kesshōban-chan (Platelets at Work), Hataraku Saibō Baby (Cells at Work! Baby), and Hataraku Saibō Lady (Cells at Work! Lady).