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 is that...?
Was zum Teufel ist das?
¿Qué es esa...?
C’est quoi, ça ?
O que é isso...