Rumi Okubo (大久保 瑠美, Ōkubo Rumi, born September 27, 1989) is a Japanese voice actress associated with 81 Produce. She voiced Nona in Death Parade and Astolfo in Fate/Apocrypha. She won an award for Best Female Newcomer at the 7th Seiyu Awards.
Known For
Credits
Cast Credits
Always a Catch! (2026)
Starring as Rosalia Pinotti
(12 episodes)
- Episode 1x12: How I Punched My Way into Marrying a Prince (Jun 17, 2026)
- Episode 1x11: The One That Got Away Gets Dragged Into Romantic Trouble (Jun 10, 2026)
- Episode 1x10: The One Who Got Away Prepares For a Ball (Jun 3, 2026)
- Episode 1x09: The One Who Got Away Plays Cupid (May 27, 2026)
- Episode 1x08: The Secret Date of the One That Got Away (May 20, 2026)
- Episode 1x07: The Fists of the One That Got Away (May 13, 2026)
- Episode 1x06: How the One That Got Away Fought With Her Father (May 6, 2026)
- Episode 1x05: How the One That Got Away Visited Home (Apr 29, 2026)
- Episode 1x04: How the One That Got Away Was Troubled (Apr 22, 2026)
- Episode 1x03: How I Trained to Become a Lady (Apr 15, 2026)
- Episode 1x02: How I Caught the One That Got Away (Apr 8, 2026)
- Episode 1x01: How I Searched For A Promising Catch (Apr 1, 2026)
Jack of All Trades, Party of None (2025)
Starring as Filly Carpenter
(2 episodes)
- Episode 1x12: The Jack-of-All-Trades Protects His Comrades (Mar 18, 2026)
- Episode 1x04: The Hero Party Looks Back (Jan 21, 2026)
Hero Without a Class: Who Even Needs Skills?! (2025)
Guest starring as Kuufa
(5 episodes)
- Episode 1x11: Classless Hero (Dec 3, 2025)
- Episode 1x10: The Demon's Contract (Nov 26, 2025)
- Episode 1x09: Flight Race (Nov 19, 2025)
- Episode 1x08: Magic School (Nov 12, 2025)
- Episode 1x07: Arsbell, the City of Magic (Nov 5, 2025)
Guest starring as Ernella
- Episode 1x12: The Empress' Empire (Dec 10, 2025)
A Ninja and an Assassin Under One Roof (2025)
Starring as Yuriko
(12 episodes)
- Episode 1x12: A Ninja and an Assassin Under One Roof (Jun 26, 2025)
- Episode 1x11: A Ninja and an Assassin's Big Dilemma (Jun 19, 2025)
- Episode 1x10: A Ninja and a Baby Assassin (Jun 12, 2025)
- Episode 1x09: A Ninja and an Assassin's Experiment (Jun 5, 2025)
- Episode 1x08: A Ninja and an Assassin's Big House (May 29, 2025)
- Episode 1x07: An Assassin and Her Classmate's Friend (May 22, 2025)
- Episode 1x06: A Busty Girl and an Assassin Under One Roof (May 15, 2025)
- Episode 1x05: A Robot and an Assassin Under One Roof (May 8, 2025)
- Episode 1x04: A Ninja and an Assassin's Relationship (May 1, 2025)
- Episode 1x03: A Ninja and an Assassin's Job (Apr 24, 2025)
- Episode 1x02: Daily Life of a Ninja and an Assassin (Apr 17, 2025)
- Episode 1x01: A Ninja and an Assassin Meet (Apr 10, 2025)
Uma Musume: Cinderella Gray (2025)
Starring as Dynam Heroine
(2 episodes)
- Episode 1x12: The Fall Tenno Sho (Jun 22, 2025)
- Episode 1x11: The Star of Kasamatsu (Jun 15, 2025)
Wistoria: Wand and Sword (2024)
Starring as Iris Churchill
(9 episodes)
- Episode 2x12: A Story of a Dream With No End (Jun 28, 2026)
- Episode 2x05: The Day of Departure (May 10, 2026)
- Episode 2x04: And the Story Begins (May 3, 2026)
- Episode 2x03: One Single Magic Spell (Apr 26, 2026)
- Episode 2x02: The Party from Hell Begins (Apr 19, 2026)
- Episode 1x07: Twelve Secret Ice Magics, El Glace Frosse (Aug 25, 2024)
- Episode 1x06: Between Pride and Passion (Aug 18, 2024)
- Episode 1x05: Raise the Starting Pistol (Aug 11, 2024)
- Episode 1x03: Order & Watcher (Jul 21, 2024)
[Oshi no Ko] (2023)
Starring as Mem-Cho
(17 episodes)
- Episode 3x08: Plan (Mar 4, 2026)
- Episode 3x07: Breakdown (Feb 25, 2026)
- Episode 3x06: Idols and Relationships (Feb 18, 2026)
- Episode 3x01: Down Bad (Jan 14, 2026)
- Episode 2x13: Wish (Oct 6, 2024)
- Episode 2x12: Reunion (Sep 25, 2024)
- Episode 2x11: Freedom (Sep 18, 2024)
- Episode 2x10: Liberation (Sep 11, 2024)
- Episode 2x09: Dream (Aug 28, 2024)
- Episode 2x05: The Curtain Rises (Jul 31, 2024)
- Episode 1x11: Idol (Jun 28, 2023)
- Episode 1x10: Pressure (Jun 21, 2023)
- Episode 1x09: B Komachi (Jun 14, 2023)
- Episode 1x08: First Time (Jun 7, 2023)
- Episode 1x07: Buzz (May 24, 2023)
- Episode 1x06: Egosurfing (May 17, 2023)
- Episode 1x05: Reality Dating Show (May 10, 2023)
Beast Tamer (2022)
Starring as Tania
(11 episodes)
- Episode 1x13: A Home for All (Dec 24, 2022)
- Episode 1x12: Champion (Dec 17, 2022)
- Episode 1x11: Black Waves (Dec 10, 2022)
- Episode 1x10: Darkness in Horizon (Dec 3, 2022)
- Episode 1x09: Beast Tamer vs Beast Tamer (Nov 26, 2022)
- Episode 1x08: Let's Make Weapons (Nov 19, 2022)
- Episode 1x07: The Captive Fairy (Nov 12, 2022)
- Episode 1x06: The Lost Woods (Nov 5, 2022)
- Episode 1x05: Beast Tamer vs Hero (Oct 29, 2022)
- Episode 1x04: Dragonoid Power (Oct 22, 2022)
- Episode 1x03: Another Ultimate Species (Oct 15, 2022)
The Hidden Dungeon Only I Can Enter (2021)
Starring as Lola
(5 episodes)
- Episode 1x06: The Tulip Lion (Feb 12, 2021)
- Episode 1x05: The Future of this Harem (Feb 5, 2021)
- Episode 1x04: The Untainted Cleric (Jan 29, 2021)
- Episode 1x03: Special Classmate (Jan 22, 2021)
- Episode 1x02: The Guild and the Receptionist (Jan 15, 2021)
How Not to Summon a Demon Lord (2018)
Starring as Sylvie
- Episode 1x02: The Strongest Newcomer (Jul 12, 2018)
3-Nen D-Gumi Glass no Kamen (2016)
Starring as Ayumi Himekawa
(13 episodes)
- Episode 1x13: Make the Final Episode Passionate (Dec 26, 2016)
- Episode 1x12: Make Self-Discovery Passionate (Dec 19, 2016)
- Episode 1x11: Let`s Make the School Festival Passionate (Dec 12, 2016)
- Episode 1x10: Let's Make the Mixer Passionate (Dec 5, 2016)
- Episode 1x09: Let's Make the Unpopular and Online-centric Person Passionate (Nov 28, 2016)
- Episode 1x08: Make Studying for an Exam Passionate (Nov 21, 2016)
- Episode 1x07: Make the Part-Time Job Passionate (Nov 14, 2016)
- Episode 1x06: Let`s Make the Herbivore Boy Passionate (Nov 7, 2016)
- Episode 1x05: Let`s Make the Messages That Were Only Read Passionate (Oct 31, 2016)
- Episode 1x04: Let's Make Up Passionately (Oct 24, 2016)
- Episode 1x03: Make the Shut-in Passionate (Oct 17, 2016)
- Episode 1x02: Make the Seating Change Passionate (Oct 10, 2016)
- Episode 1x01: Now, Let Us Make the Send Timing Passionate (Oct 3, 2016)
Death Parade (2015)
Starring as Nona
(8 episodes)
- Episode 1x12: Suicide Tour (Mar 28, 2015)
- Episode 1x11: Memento Mori (Mar 21, 2015)
- Episode 1x10: Story Teller (Mar 14, 2015)
- Episode 1x08: Death Rally (Feb 28, 2015)
- Episode 1x07: Alcohol Poison (Feb 21, 2015)
- Episode 1x05: Death March (Feb 7, 2015)
- Episode 1x02: Death Reverse (Jan 17, 2015)
- Episode 1x01: Seven Deadly Darts (Jan 10, 2015)