Rikka is now a third-year student, but she still has "chuunibyou" syndrome. University entrance exams loom on the horizon, and it's spring break, and Yuuta and Rikka are together as usual. One day, Rikka's older sister Touka declares that she's going to take Rikka to Italy with her, as Touka is moving to Italy for work and she thinks they should...