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Keisuke Komoto as Jirou Hirayama (24 Years Old) (voice) |
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Chihiro Kusaka as Jirou Hirayama (13-16 Years Old) (voice) |
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山口キヨヒロ as Seiichi Morimoto (voice) |
| Sound | Kazumasa Oda | Theme Song Performance |
| Sound | 清水勝則 | Sound Director |
| Camera | 武原健二 | Director of Photography |
| Directing | 大賀俊二 | Director |
| Editing | 中葉由美子 | Editor |
| Visual Effects | 山縣亜紀 | Character Designer |
| Sound | 今野康之 | Sound Effects |
| Writing | 三浦浩児 | Writer |
| Art | 大原実 | Storyboard Artist |
| Art | 本多敬 | Art Direction |
| Visual Effects | 山縣亜紀 | Animation Director |
| Sound | 山下康介 | Original Music Composer |
| Sound | 八木沼智彦 | Sound Engineer |
