Monster Strike

This is the Beginning Strike! (1x1)

:

I've Been Eaten?! 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! ▽ Kore ga hajime no sutoraiku! [Japan: original Romaji title] ▽ The First Strike! [Int'l: renamed English title] ▽ This is the Beginning Strike! [Japan: literal English translation]