
Quick answer — Tatsuyuki Kobayashi voices Ichirou Suzuki in Deiji Meets Girl, Tomas in Betrothed to My Sister's Ex, Kiyohide Teramoto in ORIENT Part 2 and 3 more characters.
Tatsuyuki Kobayashi voices Ichirou Suzuki (Deiji Meets Girl), Tomas (Betrothed to My Sister's Ex), Kiyohide Teramoto (ORIENT Part 2), Cater Diamond (Disney Twisted-Wonderland: The Animation), Akira Uchihama (Phantom of the Idol), Celsior (How NOT to Summon a Demon Lord).
Ichirou Suzuki is voiced in Japanese by Tatsuyuki Kobayashi.