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 Trinity Seven, 
and begin his transformation.
.ترينيتي سيفن، وسيبدأ في تحوّله
den Trinity Seven, erst zum Teufel.
las Trinity Seven,
quienes inician su transformación.
las Trinity Seven,
quienes inician su transformación.
à savoir les Trinity Seven,
et ainsi commencé son apprentissage.
le Trinity Seven, e inizierà la sua trasformazione.
a Trinity Seven, e começará
sua transformação.