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.
In the future, I think I 
read volume 11 yesterday...
Creo que ayer en el futuro, 
leí el volumen 11...
Ayer, en el futuro, leí el último tomo que había salido y creo que era el 11...
No futuro, acho que 
li o volume 11 ontem...