Kyousuke Shiroyama is the main protagonist of Mitou Shoukan://Blood Sign. He is a summoner, affiliated to of one of the Three Great Summoner Powers called "Freedom". He is given Award #902 for his remarkable talent, but he constantly suffers from his uncontrollable urge to assist those who ask for help. He is currently in high school, and is considering to retire from being a Summoner. (Source: Mitou Shoukan://Blood Sign Wiki)