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?
Huh? Me?
Hä? Wieso denn ich?
¡¿Eh?! ¿Yo?
Je dois me coltiner ça ?
Hã? Eu?