A young student falls into a hopeless romantic attraction to a sick girl, whom he can only see from afar.
You can now watch Sincere Heart online on the following streaming providers in the United States.
| Sound | Katsumi Uzawa | Sound Mixer |
| Directing | Masaki Kobayashi | Director |
| Editing | Yoshi Sugihara | Editor |
| Art | Kazue Hirataka | Art Direction |
| Production | Kôzô Kubo | Producer |
| Art | Setsutarô Moriya | Set Decoration |
| Art | Toshio Takahashi | Set Designer |
| Sound | Chūji Kinoshita | Original Music Composer |
| Camera | Toshiyasu Morita | Director of Photography |
| Costume & Make-Up | Saeko Gotô | Costume Design |
| Production | Kōsaku Yamayoshi | Production Supervisor |
| Directing | Kazui Nihonmatsu | Assistant Director |
| Sound | Yoshisaburo Seno | Sound Recordist |
| Writing | Keisuke Kinoshita | Screenplay |