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?
Yuta! Which one of these has Gridman?
Yuta! In welchem soll Gridman drinstecken?
¡Yuta! ¿Cuál de estos tiene a Gridman?
Yûta ! Il est où, Gridman ?
Yuta! Qual deles tem o Gridman?