A rookie Red Blood Cell has been bustling about, frantically making oxygen deliveries all around the body! But his workplace is on the brink of going Code Black!! Drinking, smoking, stress, sleep deprivation... Struggling to survive a life not unlike the brutal corporate world, what must these overworked cells be thinking at the end of the day? This is a tale about the inside of your body... 
 
(Source: Funimation) 
 
Notes: 
- The episodes were streamed two days ahead of the Japanese broadcast on Funimation beginning on Jan 8, 2021 at 2:30 JST. The regular TV broadcast started on Jan 10, 2021 at 0:00 JST. 
- Episodes 3 and 4 were broadcast in Japan as a one hour special episode on Jan 19, 2021 at 1:40 JST.

A newbie Red Blood Cell is one of 37 trillion working to keep this body running. But something’s wrong! Stress hormones keep yelling at him to go faster. The blood vessels are crusted over with cholesterol. Ulcers, fatty liver, trouble (ahem) downstairs … It’s hard for a cell to keep working when every day is a CODE BLACK!
 
(Source: Kodansha USA)

The average human body contains about 60 trillion cells, and each of them has work to do! But when you get injured, viruses or bacteria invade, or when an allergic reaction flares up, everyone from the silent but deadly white blood cells to the brainy neurons has to work together to get through the crisis! 
 
(Source: Kodansha Comics USA)

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