"Proof of Us" is an original animation created to motivate all exam candidates in Japan.
| Directing | loundraw | Director |
| Visual Effects | loundraw | Character Designer |
| Sound | Akira Kosemura | Original Music Composer |
| Visual Effects | Nodoka Kadowaki | Key Animation |
| Visual Effects | asano66 | Key Animation |
| Visual Effects | loundraw | Animation Director |
| Art | loundraw | Storyboard Artist |
| Visual Effects | loundraw | Key Animation |
| Writing | loundraw | Screenplay |
| Art | Fuki Zenyoji | Art Direction |
| Art | Suiren Akizuki | Background Designer |
| Camera | Shusaku Takayanagi | Director of Photography |
| Art | Sanshiro Sato | Assistant Director of Photography |
| Editing | Takuya Katsumi | Editor |
| Visual Effects | Yu Nakagaichi | Compositing Artist |
| Visual Effects | Shin Kuribayashi | CG Animator |
| Visual Effects | Shin Kuribayashi | Compositing Artist |
| Directing | Kyosuke Matsuno | Second Unit First Assistant Director |
| Production | Kyosuke Matsuno | Production Assistant |
| Sound | Akira Kosemura | Music |
