The Amusement Club is cleaning the club room in preparation for new students and perhaps new members.  Opening a mysterious closet they discover a device that sends Akari back in time, with she takes as a chance 

to fix her mistakes.
We won't tell anyone 
you visited the past,
Mantendré en secreto el hecho de que hayas 
venido al pasado, así que el futuro no cambiará.
Mantendremos en secreto el hecho de que hayas viajado al pasado, y así el futuro no cambiará.
Nós não vamos dizer a ninguém
 que você visitou o passado