In a small fishing village, a gloomy middle school student named Kai meets a mermaid named Lu.
Unfortunately the movie Lu Over the Wall is not yet available on HBO Max.
| Art | Naruyo Kiriyama | Assistant Art Director |
| Sound | Daiki Ogawa | Foley Editor |
| Directing | Masaaki Yuasa | Director |
| Sound | Takatsugu Muramatsu | Music |
| Production | Kazuko Takahashi | Production Manager |
| Visual Effects | Yōko Nemu | Character Designer |
| Visual Effects | Woon Young Chae | Animation Manager |
| Writing | Reiko Yoshida | Screenplay |
| Sound | Eriko Kimura | Sound Director |
| Production | Koji Yamamoto | Executive Producer |
| Production | Yuka Okayasu | Producer |
| Art | Emi Kitahara | Background Designer |
| Art | Hitomi Haga | Background Designer |
| Art | Shinichi Uehara | Background Designer |
| Art | Shiori Iwahara | Background Designer |
| Visual Effects | Chun Ryung Kim | Animation |
| Production | Masaaki Yuasa | Executive Producer |
| Visual Effects | Lucille Briand | Color Designer |
| Art | Junko Ina | Background Designer |
| Production | Kenji Shimizu | Executive Producer |
| Art | Akira Yamakawa | Background Designer |
| Art | Hisako Saitou | Background Designer |
| Art | Kumiko Ono | Background Designer |
| Art | Shunsuke Suzuki | Background Designer |
| Visual Effects | Abel Góngora | Animation Manager |
| Art | Hiroshi Ohno | Background Designer |
| Visual Effects | Masanao Murayama | Key Animation |
| Visual Effects | Rebecca Núñez | Animation |
| Visual Effects | Chie Nishihara | Key Animation |
| Art | Kaori Kuroki | Title Designer |
| Visual Effects | Zio Lee | Animation |
| Visual Effects | Kanako Maru | Key Animation |
| Visual Effects | Toya Oshima | Key Animation |
| Visual Effects | Tatsunari Karube | Animation |
| Visual Effects | Tomomi Kawatsuma | Key Animation |
| Visual Effects | Ayumi Kurashima | Key Animation |
| Visual Effects | Jamie Vickers | Key Animation |
| Visual Effects | Hokuto Sakiyama | Key Animation |
| Visual Effects | Izumi Murakami | Key Animation |
| Visual Effects | Nobutake Ito | Key Animation |
| Visual Effects | Shinji Hashimoto | Key Animation |
| Writing | Masaaki Yuasa | Screenplay |
| Visual Effects | Nobutake Ito | Character Designer |
| Visual Effects | Nobutake Ito | Animation Director |
| Production | Keiji Ota | Executive Producer |
| Visual Effects | Fumiyuki Uehara | Animation |
| Visual Effects | Hwan Su Park | Animation |
| Art | Hiroshi Ohno | Art Direction |
| Art | Mikiko Matsumoto | Background Designer |
| Visual Effects | Eri Kinoshita | Animation |
| Visual Effects | Cédric Hérole | Key Animation |
| Visual Effects | Kanchi Suzuki | Key Animation |
| Art | Katsushi Aoki | Background Designer |
| Visual Effects | Juan Manuel Laguna | Animation Manager |
| Art | Alice Tiroille | Painter |
| Production | Shin Takishima | General Manager |
| Visual Effects | Hiroshi Shimizu | Key Animation |
| Visual Effects | Izumi Seguchi | Key Animation |
| Visual Effects | Shinya Ohira | Key Animation |
| Art | Yuho Akagami | Background Designer |
| Visual Effects | In Sup Choi | Animation |
| Visual Effects | Chota Akatsuki | Animation |
| Visual Effects | Jun'ya Otake | Animation |
| Visual Effects | Sung Hee Seo | Animation |
| Visual Effects | Toma Kimura | Animation |
| Visual Effects | Satoru Utsunomiya | Key Animation |
| Visual Effects | Yuko Matsui | Key Animation |
| Camera | Batiste Perron | Director of Photography |
| Production | Akihiro Arai | Executive Producer |
| Production | Junnosuke Ito | Producer |
| Art | Tsuyoshi Nakatani | Background Designer |
| Crew | Michihiro Ichihara | Digital Supervisor |
| Visual Effects | Karin Noguchi | Animation |
| Visual Effects | Namiko Ishidate | Key Animation |
| Visual Effects | Tomoyuki Niho | Key Animation |
| Visual Effects | Yuki Sato | Key Animation |
| Art | Katsu Nozaki | Background Designer |
| Editing | Ayako Tan | Editor |
| Visual Effects | Takayuki Hamada | Key Animation |
| Visual Effects | Eiko Yabuki | Key Animation |
| Visual Effects | Alexandre Ulmann | Key Animation |
| Visual Effects | Kunihiko Hamada | Key Animation |
| Visual Effects | Nobutoshi Ogura | Key Animation |
| Visual Effects | Takuya Saito | Key Animation |
| Visual Effects | Satoshi Nakano | Key Animation |
| Sound | Hiroki Ogawa | Foley Editor |
| Visual Effects | Masatsugu Arakawa | Key Animation |
| Sound | Shizuo Kurahashi | Foley Artist |
| Visual Effects | Maiko Ochiai | Key Animation |
| Art | Junya Arai | Title Designer |
| Visual Effects | Tomoyo Nishida | Key Animation |
| Sound | Takumi Doi | Recording Supervision |
| Production | Hiroo Nakajima | Production Manager |
| Production | Takurō Hashimoto | Production Office Coordinator |
| Sound | Kazunori Yamamoto | Recording Supervision |
| Crew | Reiko Yoshida | Script |
| Production | Eunyoung Choi | Producer |
| Production | Yukiko Takase | Production Manager |
| Visual Effects | Shoko Nishigaki | Key Animation |
| Visual Effects | Tetsuya Takai | Key Animation |
| Visual Effects | Yasumi Ogura | Key Animation |
| Visual Effects | Isami Daba | Key Animation |
| Production | Tsutomu Fujio | Production Office Coordinator |
| Editing | Ayaka Minami | Online Editor |
| Sound | Takeshi Imaizumi | Recording Supervision |
| Visual Effects | Shigeto Tsuji | Key Animation |
| Production | Noriko Takami | Production Office Coordinator |
| Production | Yoko Matsuzaki | Production Supervisor |
| Sound | Kazuyoshi Saito | Theme Song Performance |
| Visual Effects | Hanae Uraoka | Key Animation |
| Production | Fuga Yamashiro | Production Office Coordinator |
| Production | Kohei Sakita | Production Office Coordinator |
| Sound | Takuya Hasegawa | Sound Editor |
| Sound | Sayaka Kaneno | Assistant Music Supervisor |
| Sound | Yoshiyuki Asakawa | Recording Supervision |
| Sound | Shinichi Sakurai | Music Arranger |
| Sound | Katsuhiro Nakano | Sound Mixer |
| Production | Masanori Fujita | Production Manager |
