Kazuya Ichijō is a seasoned Japanese voice actor with a career spanning three decades, known for his versatile performances across anime, video games, and tokusatsu productions. He is affiliated with the talent management firm Ken Production.

Ichijō was born in Kobe, Hyogo Prefecture, on April 11, 1966. He began his voice acting career in the mid-1990s, with some of his earliest roles including parts in the long-running series Nintama Rantarō in 1994 and the television drama Juu Senshi Gulkeeva in 1995. Over the years, he has built an extensive and diverse portfolio, demonstrating a particular proficiency for playing authoritative figures, villains, and mentors.

His anime roles are numerous and varied. In the early 2000s, he was featured in series such as Gear Fighter Dendoh and the movie Cowboy Bebop: Knockin' on Heaven's Door. He has had recurring roles in major franchises, including as Wally and Hot Eye in Fairy Tail, Breed and Charlotte Moscato in One Piece, and Zafira in the Magical Girl Lyrical Nanoha series. Other notable anime credits include the school principal in S.A, Yasuji Ban in Chaos;Head, and Captain Wing in Yamato Nadeshiko Shichi Henge. His work in the 2020s remains active, with roles in series such as The Ossan Newbie Adventurer, Rinkai!, and The Fable.

In the realm of video games, Ichijō is well-recognized for his portrayal of Jhun Hoon in several installments of The King of Fighters series, including The King of Fighters 2000 and The King of Fighters All Star. He has also contributed his voice to games like the Street Fighter Alpha series and Hyrule Warriors: Age of Imprisonment. His work in the industry is further highlighted by a long list of credits in visual novels and drama CDs, spanning various genres.

Ichijō has also lent his distinctive voice to tokusatsu productions. He provided the narration for the 2015 series Kamen Rider Ghost and has performed voice roles for monster characters in Kamen Rider Gotchard and Ressha Sentai ToQger.

Regarding the specific series mentioned by the user, Fudanshi Shōkan: Isekai de Shinjū ni Hameraremashita, Kazuya Ichijō is part of the cast. However, records from both the series' Wikipedia page and IMDb indicate that he voices the character Yua, not Jiru. The character Jiru is voiced by Haruna Mikawa.