About
Hiyama Kosei
Overview
No biography available
Known for
Acting |
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| 2024 | Sensei Sayounara | Actor | Akagi Yu | N/A N/A |
| 2022 | Johnny's Jr. Our Survival Wars | Actor | Washio | N/A N/A |
| 2021 | Bungo Shounen! Johnny's Jrs de Meisaku wo Yomitoita | Actor | Kei | N/A N/A |