Cells at Work!

Cells at Work!
	First tankōbon volume cover, featuring Red Blood Cell AE3803 and White Blood Cell U-1146
はたらく細胞; (Hataraku Saibō)
Genre	Biology; Fantasy comedy;
Manga
Written by	Akane Shimizu
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Monthly Shōnen Sirius
Demographic	Shōnen
Original run	January 26, 2015 – January 26, 2021
Volumes	6
Written by	Haruyuki Yoshida
Further information
Manga
Cells at Work!: Bacteria!
Written by	Haruyuki Yoshida
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Nakayoshi
Demographic	Shōjo
Original run	April 3, 2017 – July 3, 2020
Volumes	7
Manga
Cells NOT at Work!
Written by	Moe Sugimoto
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Monthly Shōnen Sirius
Demographic	Shōnen
Original run	July 26, 2017 – November 26, 2021
Volumes	5
Anime television series
Directed by	Kenichi Suzuki (S1); Hirofumi Ogura (S2);
Produced by	Yuma Takahashi
Written by	Yūko Kakihara; Kenichi Suzuki;
Music by	Kenichiro Suehiro; Mayuko;
Studio	David Production
Licensed by	AUS: Madman Entertainment; BI: MVM Entertainment; NA: Aniplex of America; SA/SEA: Muse Communication;
Original network	Tokyo MX, GYT, BS11, MBS, TV Aichi, HBC, RKB
English network	SEA: Animax Asia;
Original run	July 8, 2018 – February 27, 2021
Episodes	21 + Special
Light novel
Written by	Yui Tokiumi
Illustrated by	Akane Shimizu
Published by	Kodansha
Demographic	Male
Published	July 12, 2018
Manga
Cells at Work and Friends!
Written by	Kanna Kurono
Illustrated by	Mio Izumi
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Bessatsu Friend
Demographic	Shōjo
Original run	January 12, 2019 – April 13, 2021
Volumes	6
Manga
Cells at Work!: Platelets!
Written by	Yuuko Kakihara
Illustrated by	Yasu
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Monthly Shōnen Sirius
Demographic	Shōnen
Original run	May 25, 2019 – April 26, 2021
Volumes	4
Manga
Cells at Work!: Baby!
Written by	Yasuhiro Fukuda
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Morning
Demographic	Seinen
Original run	October 17, 2019 – October 7, 2021
Volumes	4
Manga
Cells at Work!: Lady!
Written by	Shigemitsu Harada
Illustrated by	Akari Otokawa
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Morning Two
Demographic	Seinen
Original run	January 22, 2020 – September 26, 2022
Volumes	5
Anime film
"Hataraku Saibō!!" Saikyō no Teki, Futatabi. Karada no Naka wa "Chō" Ōsawagi!
Directed by	Hirofumi Ogura
Written by	Yūko Kakihara
Music by	Kenichiro Suehiro; Mayuko;
Studio	David Production
Licensed by	SA/SEA: Muse Communication;
Released	September 5, 2020
Runtime	112 minutes
Manga
Cells at Work!: White Brigade
Written by	Tetsuji Kanie
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Monthly Shōnen Sirius
Demographic	Shōnen
Original run	October 26, 2020 – July 26, 2022
Volumes	4
Manga
Cells at Work!: Neo Bacteria
Written by	Haruyuki Yoshida
Published by	Kodansha
English publisher	NA: Kodansha USA;
Magazine	Nakayoshi; Palcy;
Demographic	Shōjo
Original run	December 28, 2020 – February 22, 2021
Volumes	1
Manga
Cells at Work!: Illegal
Written by	Kae Hashimoto
Published by	Kodansha
Magazine	YanMaga Web
Demographic	Seinen
Original run	February 1, 2022 – July 18, 2023
Volumes	4
Manga
Cells at Work!: Muscle
Written by	Yū Maeda
Published by	Kodansha
Magazine	Morning Two
Demographic	Seinen
Original run	February 16, 2023 – February 20, 2025
Volumes	4
Manga
Cells at Work!: Cat
Written by	Choco Aozora
Illustrated by	Meku Kaire
Published by	Kodansha
Magazine	Monthly Shōnen Sirius
Demographic	Shōnen
Original run	May 25, 2023 – present
Volumes	3
Manga
Cells at Work!: Medicine
Written by	Koma Warita
Illustrated by	Ryō Kuji
Published by	Kodansha
Magazine	Monthly Shōnen Sirius
Demographic	Shōnen
Original run	May 25, 2023 – present
Volumes	3
Live-action film
Directed by	Hideki Takeuchi
Written by	Yuichi Tokunaga
Music by	Face 2 Fake
Studio	Warner Bros. Japan
Released	December 13, 2024
Other
	Cells at Work! Code Black (2018–2021);

Cells at Work! (Japanese: はたらく細胞, Hepburn: 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. It was serialized in Kodansha's shōnen manga magazine Monthly Shōnen Sirius from January 2015 to January 2021. It is licensed in North America by Kodansha USA.

The series has been adapted into an anime television series by David Production, with two seasons broadcast from July 2018 to February 2021, totaling 21 episodes. A theatrical anime titled "Hataraku Saibō!!" Saikyō no Teki, Futatabi. Karada no Naka wa "Chō" Ōsawagi! premiered in September 2020. The series has also spawned several spin-off manga series, including, Cells at Work! Code Black, published from 2018 to 2021 and adapted into an anime television series.