Yuta and his friends attempt to unravel the mystery of the city and everyone else's memories. However, more questions arise when a strange samurai arrives and tries to tamper with Gridman.
For good memories to disappear...
wird auch unser gemeinsamer
Spaß ausgelöscht.
Que desaparezcan los buenos recuerdos...
nos bons souvenirs ensemble aussi,
Nem que memórias boas se fossem...