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?
It is all just beginning.
Das war gerade erst der Auftakt.
Es sólo el comienzo.
Tout ne fait que commencer.
Isso foi só o começo.