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.
Even my stuff was missing.
Ni siquiera tengo mis zapatos ni mi mochila...
No estaban ni mis zapatos ni mi mochila.
Até as minhas coisas sumiram.