
Miho Okasaki
Biography
Miho Okasaki (岡咲 美保, Okasaki Miho) is a Japanese voice actress from Okayama Prefecture who is affiliated with I'm Enterprise. She debuted as a voice actress in 2017, playing mostly background roles in anime series, as well as playing some roles in a number of video games. In 2018, she played her first main roles as Miku Nishio in the anime series Ongaku Shōjo and Rimuru Tempest in the anime series That Time I Got Reincarnated as a Slime.
Known For
That Time I Got Reincarnated as a Slime
Rimuru (voice)
Seton Academy: Join the Pack!
Theme Song Performance
That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond
Rimuru (voice)
The Slime Diaries
Rimuru (voice)
Demon Slayer: Kimetsu no Yaiba - Tsuzumi Mansion Arc
Teruko (voice)
Wandering Witch: The Journey of Elaina
Avilia (voice)
My Next Life as a Villainess: All Routes Lead to Doom!
Mary Hunt (voice)
Rascal Does Not Dream of a Knapsack Kid
Kotomi Kano (voice)
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Filmography
Acting (54)
Movies (16)
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
2026as Rimuru (voice)
Umamusume: Pretty Derby - Beginning of a New Era
2024as Aoi Kiryuin (voice)
Animelo Summer Live 2024 -Stargazer- 9/1
2024as Hinana Ichikawa
Animelo Summer Live 2024 -Stargazer- 8/31
2024as Self
Rascal Does Not Dream of a Knapsack Kid
2023as Kotomi Kano (voice)
Rascal Does Not Dream of a Sister Venturing Out
2023as Kotomi Kano (voice)
My Next Life as a Villainess: All Routes Lead to Doom! The Movie
2023as Mary Hunt (voice)
THE IDOLM@STER SHINY COLORS 5thLIVE If I_wings
2023as Hinana Ichikawa
That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond
2022as Rimuru (voice)
Demon Slayer: Kimetsu no Yaiba - Tsuzumi Mansion Arc
2022as Teruko (voice)
IDOL bu SHOW Movie
2022as Mirei "Mirechi" Wakatsuki (voice)
Student Council Staff Members Movie 2
2021
Knights of Sidonia: Love Woven in the Stars
2021
THE IDOLM@STER SHINY COLORS 2ndLIVE STEP INTO THE SUNSET SKY
2021as Hinana Ichikawa
The Magnificent KOTOBUKI: The Movie
2020as Maria (voice)
THE IDOLM@STER SHINY COLORS MUSIC DAWN
2020as Hinana Ichikawa
Television (38)
Champignon Witch
2026as Merino (voice)
Medalist
2025as Seira Shishido (voice)
Private Tutor to the Duke's Daughter
2025as Lynne Leinster (voice)
As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
2024as Rosell Kischa (voice)
Doctor Elise: The Royal Lady with the Lamp
2024as Mary (voice)
Jellyfish Can't Swim in the Night
2024as Mero Seto (voice)
THE NEW GATE
2024as Yuzuha (voice)
Farming Life in Another World
2023as Fraulem (voice)
A Playthrough of a Certain Dude's VRMMO Life
2023as Milly (voice)
BLUE LOCK
2022as Child Meguru Bachira (voice)
Extreme Hearts
2022as Saki Kodaka (voice)
The Dawn of the Witch
2022as Loux Krystas (voice)
Tales of Luminaria: The Fateful Crossroad
2022as Celia Arvier (voice)
86 EIGHTY-SIX
2021as (voice)
The Slime Diaries
2021as Rimuru (voice)
Vivy -Fluorite Eye's Song-
2021as Female staff rookie (voice)
How a Realist Hero Rebuilt the Kingdom
2021as Pamille Carol (voice)
My Next Life as a Villainess: All Routes Lead to Doom!
2020as Mary Hunt (voice)
Wandering Witch: The Journey of Elaina
2020as Avilia (voice)
POKÉTOON
2020as Purin (voice)
Fruits Basket
2019as Mai Iwata (voice)
Kaguya-sama: Love Is War
2019as Girl getting love confession (voice)
Ahiru no Sora
2019as Harumi Tominaga (voice)
Kono Oto Tomare!: Sounds of Life
2019as Attendee (voice)
Demon Slayer: Kimetsu no Yaiba
2019as Teruko (voice)
The Demon Girl Next Door
2019as Children (voice)
Lord El-Melloi II's Case Files {Rail Zeppelin} Grace note
2019as Yvette L. Lehrman (voice)
That Time I Got Reincarnated as a Slime
2018as Rimuru (voice)
That Time I Got Reincarnated as a Slime
2018as Narrator (voice)
Rascal Does Not Dream of Bunny Girl Senpai
2018as Kotomi Kano (voice)
Teasing Master Takagi-san
2018as Suzuki (voice)
Bloom Into You
2018as Announcement (voice)
Pop Team Epic
2018as Devil's Daughter (voice)
Slow Start
2018as Girl (voice)
Music Girls
2018as Miku Nishio (voice)
Theatre of Darkness: Yamishibai
2013as Shizuka (voice)
Sword Art Online
2012as Villager (voice)
A Certain Magical Index
2008as Citizen (voice)
Crew (5)
Television (5)
Private Tutor to the Duke's Daughter
2025Theme Song Performance
I'm a Noble on the Brink of Ruin, So I Might as Well Try Mastering Magic
2025Theme Song Performance
Extreme Hearts
2022Theme Song Performance
The Slime Diaries
2021Theme Song Performance
Seton Academy: Join the Pack!
2020Theme Song Performance
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