Nagasaki in 1986. Young friends Hisada and Takemoto decide to go to Boomerang Island to "see the dolphins". The friendship between the two deepens as a result of this adventure.
Is Sabakan on Netflix? Yes! The movie Sabakan is now on Netflix in the countries listed below.
| Sound | Michiru Oshima | Original Music Composer |
| Directing | Tomoki Kanazawa | Director |
| Writing | Tomoki Kanazawa | Screenplay |
| Writing | Jun Hagimori | Screenplay |
| Production | Michi Iijima | Executive Producer |
| Production | Mitsuru Sato | Producer |
| Production | Jun Takahashi | Producer |
| Production | Tomonori Fukuda | Line Producer |
| Camera | Yusuke Suga | Director of Photography |
| Editing | Narihiko Kôno | Editor |
| Costume & Make-Up | Reiko Matsushita | Costume Designer |
| Art | Takuya Okada | Art Designer |
| Sound | Kotaro Marubashi | Music Producer |
| Lighting | Yamato Watanabe | Lighting Director |
| Sound | Masaharu Tanabe | Sound Recordist |
| Art | Takayuki Sato | Set Decoration |
| Costume & Make-Up | Asako Nagashima | Makeup & Hair |
| Crew | Emiko Togawa | Script |
| Directing | Kazuya Shintani | Assistant Director |
| Directing | Dan Ogawa | Assistant Director |
| Costume & Make-Up | Kayo Hosomi | Hairstylist |
| Production | Tamotsu Kosano | Executive Producer |
| Art | Takayuki Sato | Decorator |