This work is a 12-year story of Mana, a woman who cannot accept the death of her best friend, staring at her as she tries to step forward while having deep sorrow.
| Directing | Ryutaro Nakagawa | Director |
| Visual Effects | Yutaro Kubo | Animation |
| Visual Effects | Satomi Maiya | Animation |
| Sound | Akira Kosemura | Original Music Composer |
| Writing | Eiji Umehara | Screenplay |
| Writing | Ryutaro Nakagawa | Screenplay |
| Production | Shinji Ogawa | Producer |
| Production | Hitoshi Ito | Producer |
| Writing | Maru Ayase | Novel |
| Editing | Genta Tamaki | Editor |
| Camera | Tai Ouchi | Director of Photography |
| Sound | Hisaki Kato | Original Music Composer |