Kaoruko and Kazumasa Harima are a separated couple with two children. They plan to divorce once their daughter, Mizuho, enters elementary school. One day, they receive devastating news of their daughter falling into a coma after a near-drowning accident at a pool. The doctors declare her brain dead with no prospect of recovery and the couple must decide if they should donate her organs to others in need or to wait until her heart stops beating.
Is The House Where the Mermaid Sleeps on Netflix? Unfortunately the movie The House Where the Mermaid Sleeps is not yet available on Netflix.
| Sound | Ayaka | Theme Song Performance |
| Writing | Eriko Shinozaki | Screenplay |
| Writing | Keigo Higashino | Novel |
| Directing | Yukihiko Tsutsumi | Director |
| Editing | Chieko Suzaki | Editor |
| Camera | Daisuke Soma | Director of Photography |
| Art | Toshihiro Isomi | Art Direction |
| Sound | Alexis Ffrench | Original Music Composer |
| Lighting | Kota Sato | Lighting Technician |
| Production | Takahiro Shinomiya | Production Manager |
| Visual Effects | 岩崎朋之 | VFX Supervisor |
| Art | Takeshi Yanagisawa | Decorator |
| Production | Shun Hidaka | Co-Producer |
| Production | Hirotaka Aragaki | Producer |
| Production | Kei Kajimoto | Producer |
| Production | Kiyoshi Inoue | Producer |
| Production | Shigeaki Yoshida | Executive Producer |
| Production | Hirotsugu Usui | Executive Producer |
| Sound | Norihito Sorimachi | Sound Recordist |
| Sound | Hiroyuki Ishizaka | Sound Director |
| Costume & Make-Up | Masae Miyamoto | Costumer |
| Sound | Hideoki Mogi | Music Producer |
