This Boy Can Fight Aliens

When unstoppable aliens invade, it seems that all is lost until a teenager with the ability to defeat these invaders appears, but he has no memories of who he is or how to use his power.

Cast: Ryohei Kimura, Daisuke Hirakawa, Yoshiyuki Shimozuma, Megumi Han, Hideyuki Hayami, Toshiyuki Toyonaga