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?
--Probably not.
--Huh? What are you talking about?
Das bezweifle ich.
-Probablemente no.
-¿Eh? ¿De qué estás hablando?
– Je pense pas.
– Mais de quoi tu parles ?
-Não acho que seja isso.
-Hã? Do que está falando?