The Saigo no Kotoba book follows Kawashima's life after her mother's death, and her pursuit of her singing dreams by performing free concerts on the streets of Tokyo's Shibuya district.
| Directing | Akio Nishizawa | Director |
| Writing | Ai Kawashima | Writer |
| Visual Effects | Yukari Fujiki | Color Designer |
| Visual Effects | Mamiko Mizutani | Animation Director |
| Sound | Ai Kawashima | Theme Song Performance |
| Writing | Akio Nishizawa | Screenplay |