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!
I have to prove myself as his wife.
Ich muss mich als seine Frau beweisen.
Debo hacerme respetar como su esposa.
Debo hacerme respetar como su esposa.
Une épouse doit marquer
son territoire.
Devo farmi valere in quanto sua moglie.
Eu tenho que provar 
que sou a esposa dele.