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'm so glad you're back.
¡Qué bueno! ¡Qué bueno!
¡Me alegro! ¡Me alegro un montón!
Estou tão feliz por você ter voltado.