Kirishima is a student at the prestigious U.A. High School training to become a Pro Hero. He is a part of Class 1-A of the Heroes Studies course. Eijiro's quirk, Hardening, allows him to harden and/or sharpen any part of his body at will. He has an outgoing, friendly, and determined attitude, ready to take on any challenge that comes his way. He also seems to have taken a very special liking to you. He’s always by your side watching over you, even when you don't know he's there.