Шион Лидделл

Shion is a cheerful, innocent young boy who joins Crimson Shell at the start of the manga. He is later attacked by Xeno and wounded, then finished off by Claudia, who was also attacked and whose powers went out of control due to her wounds. In truth, he is mastermind behind the attack on the Red Rose's headquarters, as he is the Jet Rose, the leader of the Black Roses. He turned Xeno into a victim and faked his death to further his plans to kill Claudia. He is left to die at the end of the manga.