Touma is a white-haired youth who wears a Japanese mask and wields a katana. He is a young Aristo, a human who has gained power through a special rite, whose family has served The Empress of Halgita for years. His family also controls an elite group of warrior spies called the Nightwhisper Guild. He is an old friend of Sigmund's and is one of the few people who know his past. Though his actions are dignified and just, he is a tad naive.