Today I'm Different On The Inside.Due to the after effects of Super Milk Time, Baby Beel and Tatsumi have swapped bodies. In order to return things back to normal, they try to look for Saotome-Sensei to see if he knows how to, however they are continuously disrupted by everyone else from the academy trying to start a fight with Tatsumi (who is currently Baby Beel). Eventually, Baby Beel runs away after being drawn to a smell, and Hilda, Furuichi and Tatsumi try to catch him, where they find him attached to Aoi...