
Quick answer — Kousuke Tanabe voices Kei in Tohai - Ura Rate Mahjong Tohai Roku, Homura Hoterase in Fairy Ranmaru, Chinen no Chichi in SK8 the Infinity and 6 more characters.
Kousuke Tanabe voices Kei (Tohai - Ura Rate Mahjong Tohai Roku), Homura Hoterase (Fairy Ranmaru), Chinen no Chichi (SK8 the Infinity), Aorio Morris (MASHLE: MAGIC AND MUSCLES Season 2), Soublades (Pokémon Horizons: The Series), Zir (Pokémon Horizons: The Series), Kelt (The Exiled Heavy Knight Knows How to Game the System), Camill (DARK MOON: THE BLOOD ALTAR) and 1 more.
Kei is voiced in Japanese by Kousuke Tanabe.