Inokashira Park

Jun (Ai Hashimoto), a college student living alone in Kichijoji, is visited one day by high school student Haru (Mei Nagano), who is looking for his late father's former lover, Sachiko. While searching for Sachiko together, the two met Sachiko's grandson, Toru (Sometani Shota). The three of them found an open-reel tape recording the singing of Haru's father and Sachiko from the belongings of the deceased Sachiko, but the singing stopped suddenly in the middle of the tape, so the three decided to complete the movement together...