
Quick answer — Takumi Watanabe voices Yuuki Shibayama in HAIKYU!!, Patrick Phelps in Black Butler: Book of Murder, Midori Takamine in Ensemble Stars! and 2 more characters.
Takumi Watanabe voices Yuuki Shibayama (HAIKYU!!), Patrick Phelps (Black Butler: Book of Murder), Midori Takamine (Ensemble Stars!), Eikou (12-sai.: Chiccha na Mune no Tokimeki), Shuusei Tokuda (Bungo and Alchemist -Gears of Judgement-).
Yuuki Shibayama is voiced in Japanese by Takumi Watanabe.