Seven Swordsman Shiro

Three different worlds exist in this realm; the land of the angels, humans, and demons. The new queen of the angels and king of the demons had a child, later called Shiro. After being abandoned as a child, Shiro seeks revenge on his mother and father, and later on all of the demons and angels. It first seems impossible for a weak person to challenge almost god-like beings, but when Shiro finally awakens the power of the Seven Swordsman, everything changes...