Nobumasa Tsuboi (Yo Oizumi) runs a small factory in a small town. He has a daughter Yoshimi Tsuboi (Riko Fukumoto) who suffers from a congenital heart disease. A doctor tells Nobumasa Tsuboi that his daughter will only live for about 10 more years. Nobumasa Tsuboi is devastated that his daughter won't live past the ago of 20. Nobumasa Tsuboi and his wife Yoko Tsuboi (Miho Kanno) cannot accept the diagnosis. Even though he has no medical knowledge or experience, Nobumasa Tsuboi begins to study about artificial hearts.
Is Dear Family on Netflix? Unfortunately the movie Dear Family is not yet available on Netflix.
| Directing | Sho Tsukikawa | Director |
| Sound | Shu Kanematsu | Music |
| Writing | Tamio Hayashi | Screenplay |
| Production | Yoshihiro Kubota | Producer |
| Production | Minami Ichikawa | Production Director |
| Production | Ihara Tami | Production Director |
| Visual Effects | Kôsuke Kamata | VFX Supervisor |
| Lighting | Masahiro Kimura | Gaffer |
| Crew | Kosuke Yamada | Cinematography |
| Editing | Junnosuke Hogaki | Editor |
| Art | Hidefumi Hanatani | Production Design |
| Costume & Make-Up | Hiromi Momose | Makeup & Hair |
| Directing | Makino Sho | Assistant Director |
| Art | Daijiro Koyama | Decorator |
| Production | Nozomu Aida | Production Supervisor |
| Production | Tokuji Hasegawa | Executive Producer |
| Production | Hisashi Usui | Executive Producer |
| Production | Yûsuke Ishiguro | Development Producer |
| Production | Ryo Otaki | Development Producer |
| Production | Kazuaki Kishida | Development Producer |
