14 year-old schoolgirl Tsubame is into university student Toru. She sees him in her area and really wants to be his. She struggles with how to inform him of her love. Then her stepmother becomes pregnant and she is distracted with that development. The one reliable part of her life is the calligraphy class she attends, but then she runs into a woman.
Unfortunately the movie The Brightest Roof in the Universe is not yet available on HBO Max.
| Camera | Senzo Ueno | Director of Photography |
| Production | Takaharu Kanai | Producer |
| Production | Taro Mori | Line Producer |
| Production | Koko Maeda | Producer |
| Sound | Cocco | Theme Song Performance |
| Visual Effects | Kojiro Ohsawa | VFX Supervisor |
| Production | Masahiro Handa | Co-Producer |
| Production | Koko Maeda | Development Producer |
| Lighting | Masachio Nishida | Gaffer |
| Production | Kiyoshi Koukuchi | Co-Producer |
| Art | Hiroshi Tanaka | Decorator |
| Production | Fumiko Tsutsui | Associate Producer |
| Directing | Gen Osaka | Assistant Director |
| Sound | Masatoshi Katsumata | Supervising Sound Editor |
| Production | Naoto Kuribayashi | Production Manager |
| Crew | Hiroyuki Yoshida | Stunt Coordinator |
| Crew | Tomoaki Kawasumi | Stunts |
| Costume & Make-Up | Kumiko Fukushima | Makeup & Hair |
| Sound | Tatsuhiro Okamoto | Sound Mixer |
| Art | Kyōko Heya | Production Design |
| Costume & Make-Up | Sakai | Costume Designer |
| Writing | Tomoso Nonaka | Novel |
| Directing | Michihito Fujii | Director |
| Writing | Michihito Fujii | Writer |
| Sound | Takashi Ohmama | Original Music Composer |
| Editing | Tatsuma Furukawa | Editor |
