Nagasaki,1986; a popular fifth grader and his bullied classmate have an unforgettable summer when they set out for Boomerang Island to see the dolphins. Ichiro Banka, Konosuke Harada, Machiko Ono, Pistol Takehara, Shihori Kanjiya, Tsuyoshi Kusanagi, Ryo Iwamatsu, Eri Murakawa, Momoko Fukuchi, Goriken, Mizuki Kayashima, Rintaro Hachimura, Atsushi Shinohara, Yuki Izumisawa Added on Netflix 2023-05-15.

Nagasaki in 1986. Hisada, who lives with her affectionate parents and her younger brother, although there are many quarrels between couples, is a fifth grader who loves Yuki Saito and Exogini. Hisada decides to go to Boomerang Island to "see … Banke Ichiro, Konosuke Harada, Machiko Ono, Tsuyoshi Kusanagi, Pistol Takehara, Shihori Kanjiya, Ryo Iwamatsu Added on Netflix 2023-05-17.