Koki Koyasu

Known for Acting

Born: January 9, 1994 (age 32)
Birthplace: Tokyo, Japan
Also known as: Kouki Koyasu, 子安光樹

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.

Latest

Reiwa ni Kannou Shousetsu TsukuttemasuOizumi Aoi2026SeriesRating: 9.0 out of 10
Dan Da DanMale Student A (voice)2024SeriesRating: 8.5 out of 10
Call of the NightKai (voice)2022SeriesRating: 7.7 out of 10
Hortensia SAGACamellia Soldier (voice), Church Knight (voice), Soldier (voice)2021SeriesRating: 5.4 out of 10
I'm Standing on a Million LivesNomura (voice), Maccahee (voice)2020SeriesRating: 6.5 out of 10
Toilet-Bound Hanako-kunMale Classmate A (voice)2020SeriesRating: 8.6 out of 10
Demon Slayer: Kimetsu no Yaiba(voice)2019SeriesRating: 8.6 out of 10
Re:ZERO -Starting Life in Another World-Roswaal B. Mathers (voice)2016SeriesRating: 8.1 out of 10

Known for

Filmography

8 titles

2026

Reiwa ni Kannou Shousetsu TsukuttemasuSeriesOizumi Aoi10 episodes

2024

Dan Da DanSeriesMale Student A (voice)1 episode

2022

Call of the NightSeriesKai (voice)10 episodes

2021

Hortensia SAGASeriesCamellia Soldier (voice), Church Knight (voice), Soldier (voice)3 episodes

2020

2019

Demon Slayer: Kimetsu no YaibaSeries(voice)1 episode

2016

Re:ZERO -Starting Life in Another World-SeriesRoswaal B. Mathers (voice)1 episode