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 didn't understand it, but I fixed it.
No pude entender pero lo arreglé.
Una cosa no quita la otra. La he arreglado.
Eu não consegui entendê-la, 
mas eu a arrumei.