Legend of the Gaia 1

The story is about a boy saving the fantasy world. There was a Queen Dark who has ambition to rule the star of Gaia. To earn the best power, Queen Dark kidnaps Kodelia from an Earth to find relic of King of the devil that is hidden at 12 secret chapels. The main character jumps into the fantasy world to save his girlfriend and he finds out the he is the last warrior. He defeats Queen Dark from help of friends whom met during travel with 12 guardians of the fantasy world, and be able to gets back to his family.