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.
Lilith-sensei, you shouldn't 
push yourself so hard.
.ليليث-سينسي، لا يجدر بك إرهاق نفسك هكذا
Lilith-sensei, no se sobreexija.
Profesora Lilith,
no te exijas demasiado.
Économise tes forces, Lilith.
Lilith-sensei, non dovresti sforzarti troppo.
Lilith-sensei, não se esforce tanto.