This is the sixth adaptation of Yasutaka Tsutsui's novel "The Girl Who Leapt Through Time", but the second adaptation to be an indirect adaptation after The Girl Who Leapt Through Time (2006).
Riisa Naka, who plays Kazuko Yoshiyama's daughter Akari in this film, had previously played Kazuko Yoshiyama's niece Makoto Konno in The Girl Who Leapt Through Time (2006).
The two leads played by Riisa Naka and Akiyoshi Nakao are married in real life since 2013.