関山卓也 (Takuya Sekiyama)
| First Name: | 卓也 Takuya |
| Last Name: | 関山 Sekiyama |
| Main Country: |  Japan |
| Main Language: | Japanese |
Biography
Takuya Sekiyama is a Japanese anime production assistant.
Contributions
| Role | Media | Title |
|---|---|---|
| Production Assistant | OI 1 |
