Hataraku Saibou CM
English name: Cells at Work!
Genres: Sci-Fi
Type: ONA, Episodes: 1
Aired: Jul 2, 2017
Studio: David Production
Source: Manga
Rating: PG - Children
Synopsis:
A special animated commercial to celebrate the release of the manga's fifth volume. The full length version of the commercial was released on Kodansha's official YouTube channel the day after the short version was released on TV.

It features the anthropomorphized cells of a human body, with the protagonist being a red blood cell named AE-3803.