Forget the cheerful, healthy world of the original series. *Cells at Work! Code Black*, which aired on Tokyo MX, plunges viewers into a body on the verge of collapse. This gritty spin-off explores the harsh reality of a system ravaged by stress, smoking, and poor diet. Follow a rookie Red Blood Cell and a battle-hardened White Blood Cell as they navigate a dangerous, dystopian internal landscape. Their mission is simply to survive in an environment where every day brings a new, life-threatening crisis. From clogged arteries to failing organs, the show is an intense, action-packed anatomy lesson showing the consequences of an unhealthy lifestyle. The series has ended, but sign up for a reminder just in case it returns.