Lerue is a devil. he's so powerful and strong. he's terrifying. he lived in the hell castle. he's a prince of the devils. it's so peaceful in the hell castle. nothing happened. he got bored of it. he sent his servant to spy on the angels. the angels is living peacefully too. he didn't like it. he want the angels to suffer. so he decided to attack the angel's castle when they're asleep.