Medical

Has 148 chaps (149/150 are doubles) (Complete?: Yes!) [chap 148]
Modern F/C
Male MC
Manhwa

Kim Jihyun, who lived his life as a disreputable surgeon, gains a second chance to relive his life. He then goes back to his middle school-days, and live his life to the fullest unlike before, he studies nonstop. His goal is to become a dermatologist who make lots of money instead of the poor surgeon he was from previous life!

Has 120 chaps (Complete?: Yes?) [chap 120]
Modern F/C
Male MC
Manhwa

A status window appeared in front of Ryu Young-jun, a researcher who works for a pharmaceutical company.
The status window of Rosalin, an artificial cell that knows everything about biology.

Has 79 chaps (Complete?: Yes) [chap 79]
Modern F/C
Male MC
Manhwa

Should a doctor save the body or the soul? Chu Han was the idiot among fellow elite medical students who had even never considered such a question. One day, his life was flipped upside down when he met an alleged genius but insane doctor ghost.

Has 30 chaps (Complete?: Yes) [chap 30]
Modern Internal B/W
Cell MC
Manga

"Cells at Work"
Within the human body there is said to be approximately 60 million cells. White blood cells, red blood cells, platelets, macrophages, memory cells, killer T cells, natural killer cells, B cells, mast cells and many more!

All these different cells work tirelessly within the body, never resting for a moment, willing to resist invading foreign entities like germs and viruses to the end!

Has 48 chaps (Complete?: Yes) [chap bonus oneshot]
Modern Internal B/W
Cell MC
Manga

"Cells at Work" Spin-off 20xx
In the manga's story, cells work in a "black" environment in the body of a human in poor health. The person drinks and eats too much, has insufficient physical activity, and has high stress.

Has 63 chaps (Complete?: Yes) [chap 63]
Modern Internal B/W
Cell MC
Manga

"Cells at Work" Spin-off 2018
A spin-off of Hataraku Saibou, a story about anthropomorphised blood cells battling against infecting microorganisms, this series focuses on personified "good bacteria" and "bad bacteria" waging war in the intestines.

Has 45.5 chaps (Complete?: Yes) [chap 45.5]
Modern Internal B/W
Cell MC
Manga

"Cells at Work" Spin-off 2018
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!

Has 48 chaps (Complete?: Yes) [chap 48]
Modern Internal B/W
Cell MC
Manga

"Cells at Work" Spin-off 2019
The latest spinoff features a fearsome Killer T Cell as its protagonist! Killer T Cells are the assassins who destroy virus-infected cells and other foreign things to keep things peaceful in the body. The Squad Leader of the Killer T Cells is feared by all... but he wants to change his public persona! He wants friends! But he can't just say so!

Has 26 chaps (Complete?: Yes) [chap 26]
Modern Internal B/W
Cell MC
Manga

"Cells at Work" Spin-off 2020
It's no easy feat to keep a body happy and healthy, so even the newest cells have their tiny-winey, chubby-wubby hands full! Join these cute baby cells as they work hard within their newborn baby body, in this newest (literally!) spinoff of Cells at Work!

Has 25 chaps (Complete?: Yes) [chap 25]
Modern Internal B/W
Cell MC
Manga

"Cells at Work" Spin-off 2021
A spin-off series showing the daily lives and work of the platelets.