This is the final volume of the official "Cells at Work!" spin-off! The brave and adorable bacteria in your body are what allow you to stay healthy and beautiful! The host has a bout of diarrhea due to unknown causes, and the Clostridium Perfringens and Bifidum bacteria are locked in battle. Suddenly, a rain of arrows descends upon them. These arrows... are antibiotics!! This will be a decisive battle, where many good and bad bacteria will perish! Who will emerge victorious and rule the intestines?! Don't miss the emotional finale of the manga about anthropomorphized bacteria!