Katsuki Bakugo, at four years old was the first of his class to know what it felt like to have a soulmate. It was warm and tingly and fuzzy. It was light, bright and beautiful. It was everything he is not. Katsuki Bakugo at four years old also knew what it felt like to have a dead soulmate. It was lonely, and cold, and eternal darkness. It was fitting because it was everything he embodies.