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Koki Koyasu

Koki Koyasu

Known for
Acting
Born
January 9, 1994 (age 32)
Birthplace
Tokyo, Japan
IMDb X / Twitter Wikipedia Website

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

Demon Slayer: Kimetsu no Yaiba poster

Demon Slayer: Kimetsu no Yaiba

Dan Da Dan poster

Dan Da Dan

Re:ZERO -Starting Life in Another World- poster

Re:ZERO -Starting Life in Another World-

Toilet-Bound Hanako-kun poster

Toilet-Bound Hanako-kun

Call of the Night poster

Call of the Night

I'm Standing on a Million Lives poster

I'm Standing on a Million Lives

Hortensia SAGA poster

Hortensia SAGA

Reiwa ni Kannou Shousetsu Tsukuttemasu poster

Reiwa ni Kannou Shousetsu Tsukuttemasu

Filmography

2026
Reiwa ni Kannou Shousetsu Tsukuttemasu poster

Reiwa ni Kannou Shousetsu Tsukuttemasu

TV · as Oizumi Aoi · 10 eps

2024
Dan Da Dan poster

Dan Da Dan

TV · as Male Student A (voice) · 1 ep

2022
Call of the Night poster

Call of the Night

TV · as Kai (voice) · 10 eps

2021
Hortensia SAGA poster

Hortensia SAGA

TV · as Camellia Soldier (voice), Church Knight (voice) · 1 ep

2020
Toilet-Bound Hanako-kun poster

Toilet-Bound Hanako-kun

TV · as Male Classmate A (voice) · 1 ep

2020
I'm Standing on a Million Lives poster

I'm Standing on a Million Lives

TV · as Nomura (voice), Maccahee (voice) · 2 eps

2019
Demon Slayer: Kimetsu no Yaiba poster

Demon Slayer: Kimetsu no Yaiba

TV · as (voice) · 1 ep

2016
Re:ZERO -Starting Life in Another World- poster

Re:ZERO -Starting Life in Another World-

TV · as Roswaal B. Mathers (voice) · 1 ep

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