Sakuta Azusagawa is in his một giây năm of high school. He greatly enjoys his days with Mai Sakurajima, who for the past 6 months has been both his girlfriend and senior. However, their peaceful lives are interrupted bởi the appearance of Sakuta's first love, Shoko Makinohara. With this Sakuta encounters two Shokos — one in middle school and the other an adult, the one who first helped him in his memories.