Tsuyoshi Naoya (Kouki Uchiyama) is a Japanese performer credited in anime-linked entries, music listings, and voice-cast announcements. Born in Saitama, Japan, on August 16, 1990, he appears under this name across related catalog records, making the credit useful for connecting the same artist across anime-related music and performance references.
In 2026, his name also appeared in several new projects and cast notices, including BEYOND DAWN, the voice comic for Gas lamp Detective Club, the TV anime Fool Night as Toshiro, and TV anime Unmei no Maki Modoshi as Shirai. These credits show how the profile is used to trace his work across anime-adjacent performances, releases, and collaborations.
