general tokugawa was given 13 sacred swords to bring peace to japan. however just when tokugawa started a new dynasty, he was assassinated by his 12 commanders, aka masters of the 12 sacred swords. the last one, crimson firebird, was given to dohran, tokugawa's naive son . many years have passed and now, under the cover of a travelling performer, dohran is seeking revenge and also to bring back the smile in the faces of people.