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.
I don't want any more friends to disappear...
Wenn noch mehr meiner
Freunde verschwinden,
No quiero que desaparezcan más amigos...
Mes amies ont disparu,
Eu não quero que meus
amigos desapareçam...