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?
What's the matter?
Was ist los?
¿Qué sucede?
Quoi ?
क्या हुआ?
O que foi?