Koki Koyasu
Acting
January 9, 1994 (32 years old)
Tokyo, Japan
11
Acting Credits
Biography
Koki Koyasu is a Japanese voice actor. He is the son of popular voice actor Takehito Koyasu and a member of his agency T's Factory.
Known For
Re:ZERO -Starting Life in Another World-
Roswaal B. Mathers (voice)
Dan Da Dan
Male Student A (voice)
Call of the Night
Kai (voice)
Demon Slayer: Kimetsu no Yaiba
(voice)
Toilet-Bound Hanako-kun
Male Classmate A (voice)
I'm Standing on a Million Lives
Nomura (voice)
I'm Standing on a Million Lives
Maccahee (voice)
Hortensia SAGA
Camellia Soldier (voice)
Filmography
Reiwa ni Kannou Shousetsu Tsukuttemasu
2026
as Oizumi Aoi
9
Dan Da Dan
2024
as Male Student A (voice)
8.5
Call of the Night
2022
as Kai (voice)
7.7
Hortensia SAGA
2021
as Camellia Soldier (voice)
5.3
Hortensia SAGA
2021
as Soldier (voice)
5.3
Hortensia SAGA
2021
as Church Knight (voice)
5.3
Toilet-Bound Hanako-kun
2020
as Male Classmate A (voice)
8.6
I'm Standing on a Million Lives
2020
as Nomura (voice)
6.5
I'm Standing on a Million Lives
2020
as Maccahee (voice)
6.5
Demon Slayer: Kimetsu no Yaiba
2019
as (voice)
8.6
Re:ZERO -Starting Life in Another World-
2016
as Roswaal B. Mathers (voice)
8.1