Yuta Hibiki wakes up in the home of his classmate, Rikka Takarada, with amnesia. A voice from an old computer, identifying himself as "Gridman," has a mission for him, but can he even survive the next day of school without his memories?
I hear a kaiju.
Ich kann ein Monstrum hören.
Oigo a un kaiju.
J’entends un monstre.
Eu ouvi um monstro.