Rikka's third year of high school is upended when Toka's job compels a move to Italy, potentially splitting her and Yuta. An elopement suggestion from friends launches a nationwide journey.

Rikka has entered her third year of high school and is still a chunibyo. It is spring break and university exams are approaching. Toka has decided to take Rikka to Italy with her, because of her work. Toka believes they should move as a family. Yuta thinks that he and Rikka will be separated. Nibutani, as well as the other members suggest that Rikka and Yuta elope. This starts their travels through Japan.—legendbruner