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!
You can be the real Yamana Mira sometimes, too.
… sondern öfter auch mal Yamana Mira.
Puedes ser tú misma, Mira Yamana.
Puedes ser tú misma, Mira Yamana.
et redeviens Mira Yamana
de temps en temps.
Puoi essere la vera Yamana Mira a volte, eh.
Pode ser você mesma às vezes, a Yamana Mira.