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!
the friends that I used
to hang out with,
selbst wenn ich meine alten Freunde
sehen würde,
aunque viera a los amigos
con los que solía llevarme,
los amigos con los que salía,
si je voyais les amis 
avec qui je traînais,
mesmo que eu visse
meus antigos amigos,