Tenmasou is a long-established inn atop a mountain overlooking the sea, in a town called Mitsuse that exists between heaven and earth. The inn is run by Nozomi Tenma, the proprietress. Her younger sister Kanae works as a dolphin trainer. Their mother Keiko is the inn's elder proprietress, who is still resentful of her ex-husband that deserted his wife and family.
Is The Three Sisters of Tenmasou Inn on Netflix? Unfortunately the movie The Three Sisters of Tenmasou Inn is not yet available on Netflix.
| Production | Taro Maki | Producer |
| Directing | Ryuhei Kitamura | Director |
| Writing | Ureha Shimada | Screenplay |
| Sound | Akihiko Matsumoto | Music |
| Writing | Tsutomu Takahashi | Original Story |
| Production | Shinya Nakajima | Executive Producer |
| Production | Daisuke Wada | Producer |
| Directing | Hiroki Kubota | Assistant Director |
| Sound | Koji Tamaki | Theme Song Performance |
| Sound | Ayaka | Theme Song Performance |
| Costume & Make-Up | Mutsuki Sakai | Hair Setup |
| Visual Effects | Issei Oda | VFX Supervisor |
| Sound | Kenji Shibasaki | Sound Effects |
| Art | Atsushi Sahara | Decorator |
| Production | 門田治子 | Casting |
