|This article is about a/an actor in Kamen Rider Zi-O.|
Okuno was the winner of the 30th Junon Superboy Contest, out of over 17000 other applicants.
- Okuno has been trained in classical ballet for over 11 years.
- Okuno's hobbies include reading manga and playing video games.
- His blood type is A.
- His favorite rider is Kiva
- Kamen Rider Build: Be The One - Kamen Rider Zi-O (voice)
- Kamen Rider Heisei Generations FOREVER - Sougo Tokiwa/Kamen Rider Zi-O
- Kamen Rider Zi-O - Sougo Tokiwa/Kamen Rider Zi-O
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- With the first being Shun Nishime, Okuno is the second actor to have been cast as the leading Kamen Rider under the age of 17. However as Okuno turned 18 before the airing of his own series, Nishime still holds the record for being the youngest in both being cast and concurrent show airing.
- Prior to being casted as Kamen Rider Zi-O, he previously knew Hiroki Iijima and Shun Nishime due to being in the same acting agency, Oscar Promotion.