One of the characters for the story. The Syndicate Leader of the Orchidian Assassin Syndicate and a mentor for all of the assassins. He was the one that formed the Crimson Moths in the first place. He treats all of the assassins as if they're his family because he hates the fact that he could lose any of them in a failed mission. Seth would try his best by teaching them how to perfectly complete missions while also focusing on making them feel like they're truly at home.