
Quick answer — Ryouta Iwasaki voices Hayato Yuzuki in The Yuzuki Family’s Four Sons, Medaka Kuroiwa in Medaka Kuroiwa is Impervious to My Charms, Hyke in Maquia: When the Promised Flower Blooms and 10 more characters.
Ryouta Iwasaki voices Hayato Yuzuki (The Yuzuki Family’s Four Sons), Medaka Kuroiwa (Medaka Kuroiwa is Impervious to My Charms), Hyke (Maquia: When the Promised Flower Blooms), Kimihisa Kashio (Akane-banashi), Ryou Kuroshio (The Fable), Katsuya Kimura (Jigoku Sensei Nube), Tanaka (Yano-kun's Ordinary Days), Kushiki (Helck) and 5 more.
Hayato Yuzuki is voiced in Japanese by Ryouta Iwasaki.