Kind, loyal, honest, respectful and determined. His quirk is hardening it lets him harden parts of his body to the point of being almost indestructible and very sharp. Eijiro is muscular and of average height and has a impressive physique. He has red eyes pointed slightly inwards, and a small scar just above his right eye. He also has small eyebrows and pointed teeth. His hair is somewhat long, dyed a bright red, and spiked away from his head at all angles with gel. He is 15.