
Quick answer — Yuuya Hozumi voices Kaito Takagi in A Nobody's Way Up to an Exploration Hero, Hans in Doctor Elise: The Royal Lady with the Lamp, Gildan in SEVEN KNIGHTS REVOLUTION: Hero Successor and 1 more characters.
Yuuya Hozumi voices Kaito Takagi (A Nobody's Way Up to an Exploration Hero), Hans (Doctor Elise: The Royal Lady with the Lamp), Gildan (SEVEN KNIGHTS REVOLUTION: Hero Successor), Seishirou Kuruno (My Girlfriend is Shobitch).
Kaito Takagi is voiced in Japanese by Yuuya Hozumi.