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.
Just how much of that power does 
Arata-san have hidden within him?
ما حجم القوّة التي ترقد بداخل أراتا-سان يا ترى؟
Wie viel von dieser Macht
steckt wohl in Arata-san?
¿Cuánto poder oculta
Arata-san en su interior?
¿Cuánto poder oculta
Arata-san en su interior?
Arata…
Quant'è grande il potere che si cela dentro Arata-san?
O quanto de poder o Arata-san
tem escondido dentro dele?