Acting
Koki Koyasu
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.
Acting
- 2026Reiwa ni Kannou Shousetsu TsukuttemasuOizumi Aoi10 ep.
- 2024Dan Da DanMale Student A (voice)1 ep.
- 2022Call of the NightKai (voice)10 ep.
- 2021Hortensia SAGASoldier (voice)3 ep.
- 2020I'm Standing on a Million LivesNomura (voice)3 ep.
- 2020Toilet-Bound Hanako-kunMale Classmate A (voice)1 ep.
- 2016Re:ZERO -Starting Life in Another World-Roswaal B. Mathers (voice)1 ep.
Guest appearances
- 2022Call of the NightKai (voice)10 ep.
- 2024Dan Da DanMale Student A (voice)1 ep.
- 2024Demon Slayer: Kimetsu no Yaiba(voice)1 ep.
- 2020I'm Standing on a Million LivesMaccahee (voice), Nomura (voice)3 ep.
- 2021Re:ZERO -Starting Life in Another World-Roswaal B. Mathers (voice)1 ep.
- 2021Hortensia SAGACamellia Soldier (voice), Church Knight (voice), Soldier (voice)3 ep.
- 2020Toilet-Bound Hanako-kunMale Classmate A (voice)1 ep.
- 2019Fate/Grand Order Absolute Demonic Front: BabyloniaChaldea Staff (voice)1 ep.
Also known as: Kouki Koyasu · 子安 光樹 · Kōki Koyasu · 子安光树