Heavens Library & Crimson Lord brings back Arata, Lilith and the rest of the Trinity Seven to face off against the greatest enemy in the history of the Trinity Seven; Lilith’s own father, who is revealed to be the strongest Demon Lord who challenges Arata who is now a Demon Lord candidate.
Huh? Oh, that's already been done.
¿Eh? Eso ya lo hice.
¿Eh? Ya lo hice.
Eh? Oh, ma l'ho già fatto.
Hã? Ah, isso já foi feito.