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.
I can finally return 
to the future.
Por fin podré regresar al futuro.
Por fin puedo volver al futuro.
Eu posso finalmente
 retornar ao futuro.