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?
Y-You don't suppose that Junk
and Gridman are linked, do you?
No pensarás que Trasto y Gridman
están conectados, ¿verdad?
Você não supõe que Sucata aí
e Gridman estão ligados, acha?