Юфуїн Ен

A 3rd year at Binan High School. He does everything at his own pace and is a master of being a sloth. Atsushi, despite having the opposite personality, is a good friend such that they call each other "Atsushi" and "Enchan". He's a kid that can get the job done when put to the test, but the will to do something is hard to come by.

His given element is Water, and he transforms into "Flashing Prince, Battle Lover Cerulean" (Hirameki Ouji, Battle Lover Cerulean)