Nagisa is an elementary school-aged boy. He has short blue hair with cowlicks that are in the shape of cat ears. His eyes are a lighter blue and have diamonds representing the irises. He wears a light grey plaid jacket over a blue shirt, and shorts that match the jacket. He also wears a brown-orange scarf and a bowtie underneath it. The scarf has the silver Warriors of Hope badge keeping it pinned to his jacket.