Arata Hinohara is a shy, quiet high school freshman from present day Japan. He is athletic, and used to run track in middle school. After being betrayed by his friend Suguru, Hinohara is sucked into another world, Amawakuni, where he poses as the Arata from Amawakuni, who has been framed for the princess' murder. Soon after his entrance into the new world, he discovers that he is a sho, one chosen to wield a Hayagami, a god in the form of a sword. He promises the princess to help restore her power and embarks on a quest to save the princess. He eventually falls in love with Kotoha.