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!
the most likely suspects are you and Yui-san...
seid ihr, du und Yui-san,
die Verdächtigen …
Yui y tú son los sospechosos más probables.
Yui y tú sois los 
sospechosos más probables.
Yui et toi
êtes les principaux suspects.
ora, i principali sospettati, Arata, siete tu e Yui-san.
a maioria da suspeita cai 
sobre você e a Yui-san...