Two different high school children - a swimmer and an academic - set off on a quest together one summer.
Moka Kamishiraishi
Kanata Hosoda
Yuki Saito
Etsushi Toyokawa
Yudai Chiba
Kanji Furutachi
Tōru Shinagawa
Hina Yukawa
Miyu Tomita
Daisuke Namikawa
Takahiro Sakurai
Tatsuhisa Suzuki
Show Hayami
