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.
Until then, just for now, goodnight
Hasta entonces, me iré a dormir.
Hasta entonces, y por el momento, buenas noches.
Até lá, só por agora, boa noite