Arima Kousei won numerous piano competitions while under the strict watch of his mother. He was known as the human metronome during that time. Since the death of his mother, Kousei has been unable to hear the sound of his piano. He then meets Miyazono Kaori through childhood friend Sawabe Tsubaki. Kaori plays the violin and has a free sprit. Since meeting her, Kousei is able to face the piano again. Meanwhile, Kaori holds a secret.
Unfortunately the movie Your Lie in April is not yet available on HBO Max.
| Production | Reiji Yamamoto | Line Producer |
| Writing | Naoshi Arakawa | Comic Book |
| Sound | Ryo Yoshimata | Original Music Composer |
| Directing | Takehiko Shinjo | Director |
| Writing | Yukari Tatsui | Screenplay |
| Production | Juichi Uehara | Producer |
| Costume & Make-Up | Megumi Mochizuki | Makeup Artist |
| Production | Minami Ichikawa | Executive Producer |
| Production | Kouhei Furukawa | Executive Producer |
| Production | Takashi Ishihara | Executive Producer |
| Production | Akira Egawa | Associate Producer |
| Crew | Tomoko Oshida | Script |
| Production | Kasumi Yao | Producer |
| Camera | Mitsuru Komiyama | Director of Photography |
| Art | Norihiro Isoda | Production Design |
| Lighting | On Hosaka | Lighting Director |
| Sound | Masahito Yano | Sound Recordist |
| Editing | Junnosuke Hogaki | Editor |
| Art | Toshihide Matsushita | Decorator |
| Costume & Make-Up | Meg Mochizuki | Wardrobe Supervisor |
| Costume & Make-Up | Juri Nakanishi | Makeup & Hair |
| Visual Effects | Tetsuya Shiraishi | VFX Supervisor |
| Directing | Ryo Shimazoe | Assistant Director |
| Production | Hiroki Kakimoto | Production Manager |
| Sound | Mizuki Ito | Foley Artist |
| Sound | Shin Yasui | Music Supervisor |
| Sound | Yoshitaka Fujimura | Music Editor |
| Sound | Yoshiki Mizuno | Theme Song Performance |
| Sound | Kiyoe Yoshioka | Theme Song Performance |
