hataraku saibou. strep your throat! the fever of hay! influenza, man! the world is a dangerous place for a red blood cell just trying to get its deliveries over. luckily, she's not alone ... she's got a whole human body of cells ready to help out! the mysterious white blood cell, the buff and brash killer t cell, the nerdy neuron, even the cute little platelets — everyone have to come together if they want to keep you healthy!