Kirishima is a young man of average height with a rather muscular physique, he has red eyes along with a small scar just above his right eye. Kirishima is the only member of his class with a transformation “quirk.” He can harden his skin, forming his body into a rock-like substance. His skin hardens according to his willpower, this incredible defense power marks him in the top ten in his class, and among the entire student body.