Cast & crew
Letters from Kanai Nirai (2005)
Directed by Naoto Kumazawa Written by Naoto Kumazawa
Cast
| Yu Aoi | Fuki Asato |
| Yuta Kanai | Nadashi Uchimori |
| Kaho Minami | Masami Asato |
| Susumu Taira | Shoei Asato |
| Hitomi Kawai | Reyna |
| Manami Higa | Misaki Taira |
| Ayumu Saito | Sakiyama |
| Gin Maeda | Tanaka |
Crew
| Naoto Kumazawa | Writer |
| Takao Yamanaka | Editor |
| Masayuki Fujii | Director of Photography |
| Shûichirô Shibata | Co-Producer |
| Hiroaki Miki | Co-Producer |
| Yoshinori Wakisaka | Producer |
| Naoto Kumazawa | Director |
| Kenny Kusaka | Post-Production Manager |
| Makihiro Higuchi | Line Producer |
| Hiroyuki Horikomi | Co-Producer |
| Takashi Takenouchi | Co-Producer |
| Masahiro Izutsu | Executive Producer |
| Taro Nagamatsuya | Co-Producer |
| Haseo Nakanishi | Original Music Composer |
| Hidefumi Hanatani | Production Design |
| Masashi Furuya | Sound Assistant |
| Akiko Sasaki | Co-Producer |