伊藤賢治
The game was developed as a browser-based equivalent to the mobile phone game "Emperors SaGa". Regular series composer Kenji Ito returned to compose and arrange music. The original scenario was created by "Emperors Saga" writer Moku Tochibori, while additional work and later scenarios by Benny Matsuyama; both of whom had worked on game projects and supplementary material for Square Enix. Since its initial release, Matsuyama has continued to contribute new scenarios for content updates.