![](https://cdn.animecharacters.io/images/anime/large/16652-5b9abeca.jpg)
Format
ONA
Episodes
1
Episode Duration
1 min
Status
Finished Airing
Premiered
Aired
2020-01-04 to ?
Source
Manga
Rating
PG-13 - Teens 13 or older
Genres
Action
Seinen
Educational
Medical
Studios
Producers
Licensors
Hataraku Saibou Black CM (はたらく細胞BLACK)
A special animated commercial first released on Twitter to promote the manga. It was then released on Kodansha's official YouTube channel on January 15. Set inside an unhealthy body, Hataraku Saibou Black features the anthropomorphized cells of the human immune system as they attempt to keep their ailing world alive.