The film will tell a new narrative of Yuuta and Rikka in their third year of high school. Touka reveals one day in Spring that she would take Rikka to Italy with her since her career has stabilized there and she believes they should travel as a family. Touka is particularly concerned that Rikka would not be able to proceed to universities in Japan. The club gangs recommended Yuuta, who doesn't want to be separated, elope with Rikka!! A wild drama erupts across Japan.