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!
Yup, the town's changed.
Ja, die Stadt hat sich verändert.
Sí, la ciudad ha cambiado.
Sí, el pueblo ha cambiado.
Oui, la ville a changé.
Sim, a cidade mudou.