A room soaked in red blood, the choking smell of steel, and the body of an adventurer with its head crushed.
A brief moment after solving the conflict at the Monster Feria, Ais and the others are involved in a mysterious murder.
While investigating and going after the evil murderer, the girls come face to face with a matter that shakes the city and the labyrinth.
"What is this...?"
Fighting over the mysterious jewel, the surface and the underground cross and the darkness hiding within Orario quietly begins to move!
