Quick answer — Seira Ryuu voices Yuan Wen in The King's Avatar: For the Glory, Fecilla in The Weakest Tamer Began a Journey to Pick Up Trash, Kidoma-sensei in Do It Yourself!! and 5 more characters.
Seira Ryuu voices Yuan Wen (The King's Avatar: For the Glory), Fecilla (The Weakest Tamer Began a Journey to Pick Up Trash), Kidoma-sensei (Do It Yourself!!), Daoyi Dongying (To Be Heroine), Megumi Ootsuki (The Dreaming Boy is a Realist), Meiling (pet), Kriks (Ultramarine Magmell), Stein (Ultramarine Magmell).
Yuan Wen is voiced in Japanese by Seira Ryuu.
