
Quick answer — Yuusuke Tonozaki voices Miyao in KOKKOKU, Tatsuya Jinba in King's Game, Naoise Gephis in Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suru 2nd Season.
Yuusuke Tonozaki voices Miyao (KOKKOKU), Tatsuya Jinba (King's Game), Naoise Gephis (Sekai Saikou no Ansatsusha, Isekai Kizoku ni Tensei suru 2nd Season).
Miyao is voiced in Japanese by Yuusuke Tonozaki.