Ren returns to the town of his childhood, Kaminohara. 
Strangely, Ren is unable to recall any memories of the town. 
Meanwhile, his smartphone installs a mysterious game called Monster Strike — heralding the start of a desperate battle!
Sorry. See you later.
Tut mir leid. Bis nachher.
Lo siento. Nos vemos después.
Pues perdona.
Hasta luego.
Pardon. A tout à l’heure.
Desculpe-me por isso.
Até mais tarde.