The girls are running in their exercise outfits, with the boobs swaying to and fro. Arata's heart races. Everyone's having great time, and then a ghost appears in the library. Arata and the gang go to check it out, and are forcefully transported to the "Eternal Library". There they find the lost Trinity Seven!
Why not join me, demon lord candidate?
Willst du nicht auf meine
Seite kommen, Teufelsanwärter?
¿Por qué no me te unes, 
candidato a rey demonio?
¿Por qué no te unes a mí, 
candidato a Rey Demonio?
Tu ne veux pas me rejoindre,
prétendant ?
Perché non ti unisci a me, candidato a Signore dei Demoni?
Por que não se junta a mim,
 candidato lorde demônio-kun?