27-year-old Hatsumi Takimoto is a former teacher and now waitress. She holds a secret. Three years after her boyfriend died, she receives a letter from him. After meeting a former student, Hatsumi Takimoto confesses about her past.
Unfortunately the movie Summer Blooms is not yet available on HBO Max.
| Camera | Rei Hirano | Director of Photography |
| Editing | Mayuko Niwa | Editor |
| Directing | Ryutaro Nakagawa | Director |
| Production | George Wada | Producer |
| Writing | Ryutaro Nakagawa | Screenplay |
| Production | Hikaru Kinouchi | Executive Producer |
| Production | Shunichiro Ishikawa | Executive Producer |
| Production | Takashi Fujimura | Producer |
| Sound | Kadoaki Izuta | Sound Recordist |
| Production | SATO Hiroshi | Line Producer |
| Directing | Keitaro Sakon | Assistant Director |
| Directing | Takumi Kakuya | Assistant Director |
| Directing | Hotta Ayami | Assistant Director |
| Lighting | Toshimitsu Inaba | Gaffer |
| Art | Moeto Hayami | Decorator |
| Art | Moeto Hayami | Decorator |
| Sound | Kadoaki Izuta | Sound Mixer |
| Sound | Hisaki Kato | Original Music Composer |
| Writing | Ryûhei Yoshino | Co-Writer |
