The "sci-fi love story" film is set in Kyoto in the year 2027, and will feature famous landmarks such as Fushimi Inari Taisha and Kamo Shrine. The film centers on Naomi Katagaki, a male high school student. One day, a person who calls himself Naomi 10 years from now appears in front of the young Naomi. Together, they must change the future and save a classmate, Ruri, whom the younger Naomi starts to date in three months.