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.
The problem is that 
Arata-san would have been
المشكلة هي أنّ أراتا-سان كان ليُهزم
Das Problem ist, dass dieser Teufel
Arata-san noch auslöschen wird.
El problema es que habrían eliminado
a Arata si nadie hubiese interferido.
El problema es que habrían eliminado
a Arata si nadie hubiese interferido.
Le problème,
c’est qu’à l’heure actuelle,
Il problema è che se Arata-san 
l'avesse affrontato da solo,
O problema é que o Arata-san teria sido