One Step to the Devil, Mawangkkaji Han Geol-eum, 마왕까지 한 걸음 One Step to Being Dark Lord “It’s just… it’s no different than a villager A…” “There can’t be anything stronger than me in this world!” Yuri, the king of the sea, came to the land to find the strongest devil in the world. But… when I looked in the mirror, I saw a little boy…? As soon as she gained her leg, all her strength disappeared… And yet, her tearful journey begins, still aiming for the top spot in the world!