Kaito Ishikawa (石川 界人, Ishikawa Kaito; born (1993-10-13)October 13, 1993) is a Japanese voice actor, affiliated with Stay Luck. He voiced Nero in Devil May Cry, Genos in One-Punch Man, Tenya Iida in My Hero Academia, Tsumugi Aoba in Ensemble Stars!!, Tobio Kageyama in Haikyu!!, and Jin Enjoji in Dandadan. (Via Wikipedia)