After being betrayed by his half-brother and thrown into a river, Theodore awakens to memories of his past life as Kirishima Kagehisa, a Japanese man who had created the character Theodore in the virtual reality game Break Force Online. As Theodore, a skilled Combat Mage, he discovers his abilities are flourishing in this new realm. Determined to forge his own path, Theodore sets out to explore the vast labyrinth within the Boundary City of Termuilles.