At Kichijōji Station, Tokyo, Taku Morisaki glimpses a familiar woman on the platform opposite boarding a train. Later, her photo falls from a shelf as he exits his apartment before flying to Kōchi Prefecture. Picking it up, he looks at it briefly before leaving. As the aeroplane takes off, he narrates the events that brought her into his life...
Unfortunately the movie Ocean Waves is not yet available on HBO Max.
| Directing | Tomomi Mochizuki | Director |
| Writing | Saeko Himuro | Novel |
| Sound | Shigeru Nagata | Original Music Composer |
| Visual Effects | Katsuya Kondo | Animation Director |
| Writing | Keiko Niwa | Screenplay |
| Visual Effects | Masaaki Endou | Key Animation |
| Visual Effects | Atsuko Otani | Key Animation |
| Visual Effects | Hideaki Yoshio | Key Animation |
| Visual Effects | Hiroomi Yamakawa | Key Animation |
| Visual Effects | Hiroshi Shimizu | Key Animation |
| Visual Effects | Katsuichi Nakayama | Key Animation |
| Visual Effects | Kenichi Konishi | Key Animation |
| Visual Effects | Kenichi Yoshida | Key Animation |
| Visual Effects | Masako Shinohara | Key Animation |
| Visual Effects | Masashi Ando | Key Animation |
| Visual Effects | Mayumi Hirota | Key Animation |
| Visual Effects | Mitsuo Iso | Key Animation |
| Visual Effects | Noriko Moritomo | Key Animation |
| Visual Effects | Shougo Furuya | Key Animation |
| Visual Effects | Takao Yoshino | Key Animation |
| Visual Effects | Takeshi Inamura | Key Animation |
| Visual Effects | Toshio Kawaguchi | Key Animation |
| Visual Effects | Yoshifumi Kondo | Key Animation |
| Sound | Youko Sakamoto | Theme Song Performance |
| Visual Effects | Katsuya Kondo | Character Designer |
| Art | Naoya Tanaka | Art Direction |
| Production | Toru Horikoshi | Producer |
| Production | Shinichiro Maeda | Producer |
| Production | Michio Yokoo | Producer |
| Production | Nozomu Takahashi | Executive Producer |
| Camera | Atsushi Okui | Director of Photography |
