Kyo Kara Maoh! -God Save Our King!

When ordinary high school student Yuri Shibuya defends a classmate from some bullies, he winds up dunked in a toilet that somehow transports him to a strange land, where he is told that he's the new Demon King!

After a heated exchange over an insult to his mother, Yuri discovers he's mistakenly proposed marriage... to Lord Wolfram!

When Gwendal and Conrad go off to protect a village under attack, Yuri learns the truth of the battle and resolves to become the Demon King to put an end to the fighting.

Having returned to Earth, Yuri resumes his normal life and returns to baseball practice, while his mother reminisces about the past.

While enjoying a party at sea during a trip to Van Da Via Island, the ship is attacked by pirates, forcing Yuri to unleash his magic once again...

Arriving on Van Da Via Island, Yuri and the others hear of a tale of a cursed hot spring and believe it could be where they'll find Morgif, the Demon Sword.