Right after graduating from kindergarten, Ai Truvion, a girl who was born with pink hair, gets a letter of invitation from the Croquansch Witch Academy delivered by a penguin with a pink cape. ‘A witch elementary school? I don’t know how to use magic. Do I have a special ability that I didn’t know I had?’ Ai’s parents hesitantly take her to the academy and there awaits for Ai a huge surprise…