Who knew such a drama would take place in your body right after finishing a meal?! Here's the second volume of this "Cells at Work!" spin-off! The protagonists are the bacteria which lives within everyone's bodies! With the invasion of Salmonella, which causes food poisoning, the intestines are in danger of being destroyed! How will the resident bacteria protect the intestines...?! What job does yogurt bacteria perform? What causes acne and gum disease? Bacteria we should worry about take the stage one after the other! Health and beauty to those who read this anthropomorphized bacteria manga!