Cells At Work Code Black (Manga) Vol 05
In this new spinoff of the hit manga, a newbie Red Blood Cell is one of 37 trillion working to keep this body running. But something's wrong! Ulcers, fatty liver, trouble (ahem) downstairs... What's wrong with this body?!
Kodansha Comics
(W) Shigemitsu Harada (A/Ca) Issei Hatsuyoshiya