Who is the Japanese voice actor for Oken?

The Japanese voice actor for Oken is Hidenari Ugaki.

What role does Oken have in that anime?

In Ore wa Subete wo "Parry" suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai, Oken is listed as a supporting character.

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Oken appears in Ore wa Subete wo "Parry" suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai.

No biography written.

Ore wa Subete wo "Parry" suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai

Ore wa Subete wo "Parry" suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha no Yume wo Miru

Ore wa Subete wo "Parry" suru: Gyaku Kanchigai no Sekai Saikyou wa Boukensha ni Naritai

Hidenari Ugaki

Japanese

John Swasey

English

Michel Hinderyckx

French

Hans-Gerd Kilbinger

German