He was the former head of the Knights Templar, and Yano avenged his adoptive father and his girlfriend Alice. Mirabo, the leader of the assassin organization, devoted himself to peace talks with the Knights Templar, and Drasel also wanted peace talks, so he was assassinated by the hawk faction headed by Germain. The assassin's organization was going to hunt those sweet and spicy people, but it just happened to avenge Yano.