Diana Garnet
Diana Caroline Garnett, known professionally as Diana Garnet, is an American-born J-pop singer and voice actor. They are signed to Mastersix Foundation under Sony Music Entertainment Japan.
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Biography
Born in Washington, D.C., Diana was influenced by their father, a fan of anime and manga, and grew up interested in Japanese culture. They were influenced by Japanese music used in anime, which motivated them to pursue a singing career in Japan.Their interest in the country was further sparked by two year-long exchanges in Japan in both high school and university. Upon graduating from university, they relocated to Tokyo, Japan, to work as an Assistant Language Teacher while doing freelance narration and vocals for radio and advertisements.
They began uploading covers of anime, J-pop and vocaloid songs onto YouTube and Niconico, gaining popularity and attention under their aliases Tonkhai and トンカイ.
2013–2014: Nodojiman The World, Japanese Debut and ''Cover☆Girl''
Diana appeared on NTV's singing competition "Nodojiman The World" and won the Spring 2013 edition.Following their victory, they signed with Sony Music Entertainment Japan and made their major debut on October 22, 2013, with their first single "Mata Kimi ni Koi shiteru", under Mastersix Foundation and Sony Music Records.
A cover album named "Cover☆Girl", compiling the tracks "Mata Kimi ni Koi shiteru" and "My Revolution" from their first single among other covers of songs like Judy and Mary's "Sobakasu", Zone's "Secret base (Kimi ga kureta mono)" and Yoko Takahashi's "Zankoku Tenshi na These" was released on November 27.
2014–2015: Featured artist, ''Spinning World'' and ''Nankai! Mystery''
2014 saw Diana being featured as an artist in Dohzi-T's track "Turn Me On ft. Diana Garnet", released on March 19 on his sixth studio album "T's Music".The title track of their first original single, "Spinning World", released on February 11, 2015, was used as the ending theme song for the anime Naruto: Shippuden and grew to be one of the most beloved songs to their fans. As of 2024, the song has amassed more than 2 million plays on Spotify.
They promoted their first theme song feature with appearances on TV shows like TV Tokyo's "Animemashite" and variety shows like TV Asahi's "Kanjani8 no The Mozart: Ongakuō No.1 Ketteisen".
On February 25, Japanese rock band Flow released their compilation album Flow Anime Best Kiwami, featuring Diana on their cover track "Blue Bird ft. Diana Garnet", originally by Japanese pop-rock band Ikimono-gakari. On August 15, the singer, as well as the band Granrodeo, went on to perform with the band as guest performers on their Flow World Tour 2015: Kiwami world tour finale in the Hibiya Open-Air Concert Hall in Chiyoda, Tokyo.
Diana's second original single, Nankai! Mystery, was released on November 25. Its title track was chosen to be the theme song of the anime adaptation of the original light novel series Tantei Team KZ Jiken Note.
2017–2018: Voice actor, ''Igo Focus'', Radio host and ''Thank you for the Music''
In 2017, Diana branched out in their engagements, appearing in many events in Japan like the KIDSTONE Summer Presentation Program and stateside anime and manga conventions, like Ohayocon and Animazement, as well as on TV and in print. They also took on voice acting, narration and becoming a TV host.In February, they first provided their voice for English-speaking roles of Joule and Lumen the double identities of the heroine of Azure Striker Gunvolt, in the English dub of the original video anime adaptation of the game, released worldwide on the Nintendo eShop.
In March, they provided the voice for the main character Koko in the English Dub of the anime film Shimajiro and the Rainbow Oasis. Later on in 2018, they also lent their voice to the main character Aura in the English Dub for the anime film Shimajiro the Movie: Adventures on Magic Island.
From April until March 2018, Diana was the host for the 2017 season of the long-running series Igo Focus, an establishment in the Japanese world of Go.
Since April, they have been one of the co-hosts of the educational NHK radio show "Kiso Eigo 1", a main staple among language education in Japan since its first broadcast in 1994. As of 2024, alongside fellow co-host Chris Nelson, they possess one of the longest tenures a co-host of this radio show has ever had.
During the same time they also narrated the NHK World series "Anime Supernova", highlighting different directors in the Japanese animation industry for a global audience. They also landed their first Japanese-speaking role for the dramatization of Yushi Okajima's book "Gijinka de manabo! IT Infra no shikumi", voicing the role of DBMS.
Later in the year, they provided their voice for English-speaking roles in several games, like Super Bomberman R and released their third original single, "Thank you for the Music", on November 7. The title track was chosen to be the second ending theme for the third season of the anime series "Meow Meow Japanese History".
2019–2020: Game OSTs, ''Hello Again'' and ''Igo no uta''
2019 marked Diana's participation in original soundtracks for video games, as they performed the theme songs of the two video games Nippon Marathon, "Hyperlove Racing", and Dragon Marked for Death, "Faranaja".The year also saw them venturing into acting, as they appeared in the January TV Kanagawa drama "Shiba Kōen", the February commercial short movie "Man'yō ni Ikō." for hot spring hotel chain Manyo Club and the June Line Live web drama "Shibuya Boys Scramble".
On June 5, they released their first digital single, "Hello Again", providing the first ending theme for the fourth season of "Meow Meow Japanese History".
They continued to pursue voice acting and appeared in Japanese-speaking roles in the anime series "Meow Meow Japanese History" they had previously provided ending themes for, voicing historical characters like Heian period buddhist monk Taihan in February, samurai Egawa Hidetatsu and legendary folk hero Ishikawa Goemon later on in June. In an English-speaking role, they voiced Sophia in the Japanese AMG Entertainment movie "Prison 13" in August.
2020 saw Diana contributing more theme songs and participating in live performances throughout the year.
On January 15, 2020, they released their fifth original single, "Igo no uta". The single contains the cooperation of several individuals: professional Go players Yohei Shimojima penning the lyrics and Asami Ueno designing the cover, singer Chris Hart composing the song with musician Paul Ballard and mangaka Nodoka Tsurimaki drawing the cover art.
They went on to perform the theme songs "Fight Yourself" for the readers theater play "Dragon Zakura~2nd season~" in January and "Here and Now" for the visual novel Caffeine: Victoria's Legacy in March, for which they also voiced the main character Eliza.
2021–2022: Further voice acting and Voice directing
In 2021 and 2022, Diana continued to voice act, lending their voice bilingually to both Japanese and English-speaking roles.Since February, they have been voicing the Japanese-speaking role of Japanese English teacher Momo Tomozawa, a main character of the well-received Benesse franchise "Kūsō Gakuen Pantasia". They appeared in the animated Netflix series "Bee and Puppycat" as the TempBot in September.
Diana also worked as a casting director and voice-over director on several games, namely "Rival Megagun XE", "Gunvolt Chronicles: Luminous Avenger iX 2" and "Azure Striker Gunvolt 3".
In December, they voiced the Genshin Impact character Dehya in the Dillongoo Studios web anime short "Nameless Road" for MiHoYo's regular fan event "HoyoFair 2023". This marked the beginning of Diana's collaborations with Dillon Gu and Dillongoo Studios projects.
2023–2024: Continued voice acting & directing, Tie-up releases and Lumin
2023 saw Diana create their first manga series, "MIKU's NY Broadway Diary", providing the story for the series, while artist Nobile provided the art. The series was first released the "Radio Chūgakusei no Kiso Eigo Level 1" educational book series in March, published by NHK Shuppan. The last chapter was released in February 2024.On April 15, they released their second digital single "Genshindou", providing the theme song for the first and fourth episodes of the MiHoYo commissioned Genshin Impact alternate universe anime series, "Progenitor". Remixes of the song would also be featured as the opening and ending themes for episode 2. Furthermore, Diana voiced the character Klee for the series. As Klee, they contributed the character song "Klee's Lullaby" for the original soundtrack of the series.
On July 28, Diana released their third digital single "Heiwa Sanka", the theme song for the Yostar commissioned Arknights alternate universe anime short film "Legend of Chongyue". Diana also contributed to the short film as a casting and voice director.
On October 19, they released their first duet single, "Kegareta Michi e no Tatakai", with Norwegian singer and YouTuber PelleK. The music video was shot in Hjertnes Kulturhus in Sandefjord, Norway.
On October 31, Diana performed the theme song "Ruby Red Shoes" for AstralShift's acclaimed visual novel "Little Goody Two Shoes". They also voiced Elise, the protagonist of the game, and contributed the character song "Ruby Mirage Slippers" as said character for the original soundtrack of the game.
In December, they performed as a guest performer in the Yokohama leg of Flow's domestic tour, "FLOW THE CARNIVAL 2023: NARUTO Shibari". The concert was recorded and broadcast on Space Shower TV as a TV special on February 7, 2024, and later released as on Blu-ray and CD.
On February 11, 2024, Diana's VTuber character Lumin Tsukiboshi debuted through her first livestream. Originally introduced on a character sheet on September 20, 2023. The character maintains in her livestreams that Lumin and Diana are to be seen as two different entities, with "Diana Garnet" being her family-friendly real life identity with commitments to their clients, while "Lumin" would be able to interact with fans more and cover songs that wouldn't necessarily align with Diana Garnet's public image. Whenever Lumin alludes to her real life, she would refer to her persona "Diana Garnet" as "the voice inside". Lumin would pursue activities as a music artist under the name "Lumin".
Diana also provided vocals for the character song "No Name " of ninja Asahi, a character of the Bank of Innovation smartphone game "MementoMori".
In July, Diana performed the theme song "Set Sail" for the summer event "Beauty Full Shot" of the Shift Up smart phone game "Goddess of Victory: Nikke".
In October, they performed the character song "Lamb's Requiem" and co-wrote four different character songs for the Inti Creates game "Card-en-Ciel".
Diana also provided vocals for the theme of the video game "The 257th Element" in August and performed the theme for the video game "Starlight Re:Volver" in December.
In December, their tenth digital single "Michibiki no Hoshi" provided the theme song for the fifth and the final sixth episodes of the MiHoYo commissioned Genshin Impact alternate universe anime series, "Progenitor".
2025–present
In January 2025, Diana released their eleventh digital single "In Another Story", providing the theme for the MiHoYo commissioned Honkai: Star Rail alternate universe anime short film, "Millennium Idol: In Another Life".In March, their twelfth digital single in collaboration with music producer RichaadEB and singer Little V was a cover of "Kingslayer".
In July, they contributed their vocals for the ending theme "Sono Saki no Sora e" for upcoming Netflix anime series adaptation of the novel Leviathan by Scott Westerfeld, penned by Joe Hisaishi and arranged by Nobuko Toda and Kazuma Jinnouchi." A year prior in July 2024, production company Qubic Pictures teased the singer's live performance of the song at their panel discussing the anime series at Otakon.
In August, their thirteenth digital single "Kimi no Shiranai Monogatari " was released to comemmorate their role of Alice Thymefield in the video game Zenless Zone Zero.
In December, their fourteenth digital single "Spinning World " was released to comemmorate the ten year release anniversary of their first original single "Spinning World".
In January 2026, they contributed lyrics and, along Tateshi Starwalker, also their vocals for "Straight to the Top", an insert song for the anime Medalist, composed by Yuki Hayashi.
Personal life
Diana identifies as non-binary.Discography
Digital singles
As Diana Garnet| Release date | Title | Album details | Track list | - |
| 2019/06/05 | Hello Again :ja:Hello_Again_| | - | ||
| 2023/04/15 | Genshindou :ja:現振動| | - | ||
| 2023/07/28 | Heiwa Sanka :ja:平和賛歌| | - | ||
| 2023/09/15 | Genshindou (Cyberpunk Remix) :ja:現振動#現振動_| | - | ||
| 2023/10/19 | Kegareta Michi e no Tatakai :ja:穢れた道への闘い| | |||
| 2023/12/29 | Macaron Memories :ja:Macaron_Memories| | - | ||
| 2024/09/06 | Kagayaku :ja:輝く| | - | ||
| 2024/09/20 | Sweet Tooth :ja:甘党_| | - | ||
| 2024/12/05 | Revolution :ja:_Revolution_| | - | ||
| 2024/12/28 | Michibiki no Hoshi :ja:導きの星_| | - | ||
| 2025/01/02 | In Another Story :ja:In_Another_Story| | - | ||
| 2025/03/24 | Kingslayer | - | ||
| 2025/08/07 | Kimi no Shiranai Monogatari | - | ||
| 2025/12/25 | Spinning World :ja:Spinning_World#Spinning_World_| | - |
As Lumin
| Release date | Title | Album details | Track list |
| 2023/12/29 | Macaron Memories :ja:Macaron_Memories| | ||
| 2024/02/15 | Idol | ||
| 2024/03/15 | Yoidore Shirazu :ja:Kanaria#酔いどれ知らず| | ||
| 2024/03/31 | God-ish | ||
| 2024/05/20 | Ch4nge :ja:Giga_#ディスコグラフィ| | ||
| 2024/07/03 | Phony | ||
| 2024/09/20 | Sweet Tooth :ja:甘党_| | ||
| 2024/12/28 | Michibiki no Hoshi :ja:導きの星_| | ||
| 2025/01/02 | In Another Story :ja:In_Another_Story| | ||
| 2025/08/03 | Where Friends Meet: The Official OffKai Expo Theme Song | ||
| TBA | Funny Bunny :ja:Funny_Bunny#その他のアーティストによるカバー| |
Features
As Diana Garnet| Artist | Release date | Title | Album details | Track list |
| Daddy | 2013/04/29 | Herosyndrome Kizuna | ||
| Dohzi-T | 2014/03/19 | T's Music :ja:T's_MUSIC_|' | ||
| Flow | 2015/02/25 | Flow Anime Best: Kiwami :ja:FLOW_ANIME_BEST_極| | ||
| V.A. | 2016/07/06 | Naruto the Best | ||
| V.A. | 2019/01/25 | Nippon Marathon | ||
| Inti Creates | 2019/03/01 | Dragon Marked For Death Soundtrack | ||
| Kikai Digital | 2020/03/27 | Caffeine: Victoria's Legacy OST | ||
| Autodidactic Studios | 2023/04/28 | Progenitor: The Shogunate | ||
| Autodidactic Studios | 2023/07/28 | Legend of Chongyue | ||
| Flow | 2023/08/30 | Flow the Cover: Naruto Shibari | ||
| Autodidactic Studios | 2023/09/23 | Progenitor: Albedo | ||
| AstralShift | 2023/10/31 | Little Goody Two Shoes | ||
| AstralShift | 2023/10/31 | Little Goody Two Shoes | ||
| PelleK | 2023/11/01 2024/01/17 | Muteki no Tabiji | ||
| Autodidactic Studios | 2023/12/29 | The Last Bakery | ||
| FLOW | 2024/02/21 | Flow 20th Anniversary Special Live 2023: Anime Shibari Festival ) | ||
| Level Nine | 2024/07/06 | Beauty, Full Shot | ||
| Sound of Windshift | 2024/08/03 | 257 Drops of Rain | ||
| Bank of Innovation, Inc. | 2024/12/25 | MementoMori Lament Collection Vol.2 | ||
| Nobuko Toda & Kazuma Jinnouchi | 2025/07/10 | Leviathan ' | ||
| Yuki Hayashi | 2026/04/22 | TV Anime "Medalist" Season 1 & 2 Original Soundtrack ' |
As Diana Garnett
| Artist | Release date | Title | Album details | Track list | - |
| Disko Warp | 2010/04/07 | Anime Love Hardcore | - | ||
| Disko Warp | 2012/04/10 | Anime Love Hardcore 2 |
As Ryoko Arahabaki
| Artist | Release date | Title | Album details | Track list |
| Ryoko Arahabaki & Akemi Minamiazabu | 2025/10/23 | Full Metal Schoolgirl |
As Elise
| Artist | Release date | Title | Album details | Track list |
| AstralShift | 2023/10/31 | Little Goody Two Shoes |
As Klee
| Artist | Release date | Title | Album details | Track list |
| Autodidactic Studios | 2023/04/28 | Progenitor: The Shogunate |
As Raffaella
| Artist | Release date | Title | Album details | Track list |
| V.A. | 2024/10/24 | Card-en-Ciel Soundtrack |
As Tonkhai
| Artist | Release date | Title | Album details | Track list |
| Alstroemeria Records | 2017/12/29 | POP CULTURE 7 |
As Lumin Tsukiboshi'
| Artist | Release date | Title | Album details | Track list |
| Arbitrary Music | 2024/10/27 | Traumerei'' |
Composing and song-writing
As Diana Garnet| Year | Title | Credits | Release |
| 2018 | Thank you for the Music | Co-Lyricist | Thank you for the Music :ja:Thank_you_for_the_Music| |
| 2018 | My Life | Co-Lyricist | Thank you for the Music :ja:Thank_you_for_the_Music| |
| 2019 | Hyperlove Racing | Lyricist | Nippon Marathon |
| 2019 | Hello Again | Co-Lyricist | Hello Again :ja:Hello_Again_| |
| 2020 | What's Igo | Lyricist | Igo no uta :ja:いごのうた| |
| 2023 | Genshindou | Co-Lyricist | Genshindou :ja:現振動| |
| 2023 | Klee's Lullaby | Lyricist, Composer | Progenitor: The Shogunate |
| 2023 | Heiwa Sanka | Co-Lyricist | Heiwa Sanka :ja:平和賛歌| Legend of Chongyue |
| 2023 | Macaron Memories | Lyricist, Co-Composer | Macaron Memories :ja:Macaron_Memories| The Last Bakery |
| 2024 | Kagayaku | Lyricist | Kagayaku :ja:輝く| |
| 2024 | Sweet Tooth | Lyricist, Co-Composer, Co-Arranger | Sweet Tooth :ja:甘党_| |
| 2024 | Paza Jizambi Bizube | Lyricist | Card-en-Ciel Soundtrack |
| 2024 | Vondara Vinde | Lyricist | Card-en-Ciel Soundtrack |
| 2024 | Glory to Me | Lyricist | Card-en-Ciel Soundtrack |
| 2024 | Lamb's Requiem | Lyricist | Card-en-Ciel Soundtrack |
| 2024 | Floos Florinde | Lyricist | Card-en-Ciel Soundtrack |
| 2024 | Revolution | Lyricist | Revolution :ja:_Revolution_| |
| 2025 | In Another Story | Lyricist | In Another Story :ja:In_Another_Story| |
| 2026 | Straight to the Top | Lyricist | TV Anime "Medalist" Season 1 & 2 Original Soundtrack ' |
As Lumin Tsukiboshi'
| Year | Title | Credits | Release |
| 2024 | Cover Story | Lyricist | Traumerei'' |
Staff positions
Animation
As Diana Garnet| Year | Title | Staff position | Notes |
| 2019 | BEM | Setting English translation assistant | TV series |
| 2023–2025 | Progenitor | Casting director | MiHoYo Genshin Impact alternate universe ONA series |
| 2023 | Legend of Chongyue | Casting director | Yostar Arknights alternate universe ONA |
| 2023 | Cyber Fontaine: The Last Bakery | Casting director | MiHoYo Genshin Impact alternate universe ONA |
| 2024 | Ellen really wants boba | Casting director | MiHoYo Zenless Zone Zero alternate universe ONA |
| 2024 | Sunset | Voice director | MiHoYo Genshin Impact ONA |
| 2025 | Carlotta vs Cantarella | Casting director | Kuro Games Wuthering Waves alternate universe ONA |
| 2025 | Please trust me! Genshin Impact Fan Musical | Casting director, Voice director, Localization | MiHoYo Genshin Impact alternate universe ONA |
| 2025 | Bâan: The Boundary of Adulthood | English localization producer, Assistant ADR director | ONA |
| 2025 | Soul Mart | Casting director | ONA series |