Akane suspects Gridman to be Yuta, but has no proof, so she approaches Rikka. When Rikka's friends convince her to come with them on a group outing with Arcadia, a four-man Internet personality group, Akane tags along. But trip proves to be a waste of time, with Akane creating a Kaiju to kill Arcadia after Anti refuses since his sole purpose is to defeat Gridman. Meanwhile, Yuta is concerned by Rikka hanging out with other boys, causing him to realize he has a crush on her...