
Quick answer — Shou Karino voices Rui Haida in Insomniacs After School, Fran in Ascendance of a Bookworm Part 2, Chifuyu Matsuno in Tokyo Revengers and 3 more characters.
Shou Karino voices Rui Haida (Insomniacs After School), Fran (Ascendance of a Bookworm Part 2), Chifuyu Matsuno (Tokyo Revengers), Bermann Doumoto (Uchitama?! Have you seen my Tama?), Elliott (The Villainess Is Adored by the Prince of the Neighbor Kingdom), Keita Takekawa (KamiErabi GOD.app).
Rui Haida is voiced in Japanese by Shou Karino.