Arata the Legend (2013)

The stage is the world of Amawakuni, where mankind coexists with the many gods. There, a boy called Arata is wrapped up in a coup d'état led by the Twelve Shinsho, wielders of swords called Hayagami. When he is accused of murdering a princess, Arata escapes to a forest, where he finds himself transported to the modern world.