Arata and the others appear in a world floating in a rift in the sea of parallel dimensions. Monsters attack. The legendary grimoire, "Fragments of the Iliad" challenges them to a fight. An evil power awakes in Arata due to his anger when the Astil Codex are sealed...
I-I'm sorry, Senpai!
T-Tut mir leid, Senpai!
¡L-lo siento, senpai!
¡L-lo siento, senpai!
M-Mi dispiace, Senpai!
M-Me desculpe, Senpai!