The film is set in Kyoto in the year 2027, and will feature famous landmarks such as Fushimi Inari Taisha and Kamo Shrine. The main character is 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 yonger Naomi starts to date in three months.