Two young men, gentle and good-mannered Seki and the serious and strong-natured Hai, are an integral team to a special bureau investigation unit. Their team only receives mysterious requests: a girl who has the bruise of a butterfly, a boy searching for a song, and a man who hopes for a way to revive the dead. This the is story of the team who fulfills the wishes of such broken people. (Source: Volume Cover, edited) Included one-shot: Suito