A rookie Red Blood Cell has been bustling about, frantically making oxygen deliveries all around the body! But it turns out that 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: official English website]