When he was his younger self as Toya, he possessed red hair that gradually turned white during his childhood, and it was wavier than it was spiked. Shoto's hair is evenly split between white on his right side and crimson red on his left, this unusual coloring being due to his Quirk. As another result, he also possesses heterochromia iridium, which causes his left eye's iris to appear turquoise, while his right is a brownish dark gray.