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.
Besides, Rikka... Were you even
friends with Tonkawa and them?
Warst du denn so dicke
mit Tonkawa und den anderen?
Además, Rikka...
¿Acaso eras amiga de Tonkawa y el resto?
Mais t’étais si proche
de Tonkawa et compagnie ?
Aliás, Rikka... Você era mesmo
amiga de Tonkawa e deles?