After a year in a coma, Rian Karasawa learns his mom has disappeared upon entering Project Mirage Online, the first VR game to be indistinguishable from real life. Desperate to find her, Rian follows her in.

But the world of Miriad is more than virtual. Under the guise of a VRMMO, the invasion of a parallel reality has begun. Inhabiting an otherworldly body, unable to log out, Rian is recruited by a demonic servant to fulfill a nefarious task.

To rescue his mom, he'll have to level-up his way to the endgame, avoid detection by the Game Masters, and locate the goddess from his dreams. But if he can master the Mirage System and its parallel universes, untold power awaits him. With fists ablaze and levels to grind, Rian sets out to discover the true nature of the game and the fate of his mother...