In the seaside resort town Starlight City, people of all types share their bodies with the spirits of myths, legends, and more.

While the Legendary Supreme Mages may have thought this arrangement was for the best when they made the contract with Gaia all those years ago, it's been a long time since this deal was made.

Now, a modern magician named Erika may think it was the right decision, but will her belief hold in this age of technology and magic?