Arata inadvertently touches "Hermes Apocrypha," Lilith's Grimoire. Suddenly, he is enveloped by a bright white light, and a girl appears before him. She calls herself Lilim, and treats both Arata and Lilith as her parents. At the same time she appears, something changes in the world. The forbidden Eternal Library awakens.
The time for me to become 
the true demon lord...
Es ist an der Zeit,
der wahre Teufel zu werden …
Moi, le véritable maître…
A hora de eu ser o 
verdadeiro lorde demônio...