Kent Itō

Kent Itō
伊東 健人
Born (1988-10-18) October 18, 1988
Tokyo, Japan
Other names21SeikiP (21世紀P)
Occupations
Height180 cm (5 ft 11 in)
Musical career
Genres
Instruments
  • Vocals
  • guitar
  • drum
Years active2009–present (Singer/composer)
2011–present (Voice actor)
LabelsAstro Voice (2022-2025)
Pony Canyon (2025-)

Kent Itō (伊東 健人, Itō Kento; born October 18, 1988) is a Japanese voice actor, singer, and composer from Tokyo. He is currently affiliated with 81 Produce. He is also a music artist under A-Sketch's record label Astro Voice, before moving to Pony Canyon.

Career

In 2009–2017, he was active as a Vocaloid producer under the name 21SeikiP (21世紀P).[1]

In 2018, he landed his first main role as voice actor through television anime Wotakoi: Love Is Hard for Otaku. The following year, he received the 13th of Seiyuu Awards for best singing award along with other Hypnosis Mic cast.[2] In 2021, he produced another Vocaloid song under his own name. The song titled "Magic Number" was specifically made for mobile rhythm game Hatsune Miku: Colorful Stage!, where he voices one of its main character, Toya Aoyagi. Vocaloid producer Oster Project was involved with arrangement of the song.[3]

On August 26, 2022, he made his solo singer debut under A-Sketch's Astro Voice label with his first single "Mayonaka no Love" (真夜中のラブ) release on September 21.[4] In October 18, 2025 (his birthday), he announced that he has transferred to Pony Canyon and will release a new Ep under the label.[5]

His special skills include playing guitar and drum.[6] He is also a member of UMake with Yoshiki Nakajima, where he also serves as the composer.

He plays as several characters from music projects including: Hypnosis Mic (Doppo Kannonzaka), Hana-doll (Lihito Toudo), PRELUDERS (Chikage Misumi), and JAZZ-ON (Arata Kageyama).

Notable works

Anime

Anime films

Video games

Dubbing

Live-action

Animation

Discography

Cover album

Release date Title
December 15, 2021 Cover ~Youth~[41]

Digital singles

Release date Song
September 21, 2022 Mayonaka no Love (真夜中のラブ)[42]

Ep

Release date Title Label
February 15, 2023 Hanabi (華灯)[43] Astro Voice
March 27, 2024 Sain (咲音)[44]
January 21, 2026 ShAdow[5] Pony Canyon

References

  1. ^ "21世紀Pって言います。". Twitter. Retrieved October 20, 2021.
  2. ^ "//声優アワード//Seiyu Awards//". //声優アワード//Seiyu Awards//. Retrieved October 20, 2021.
  3. ^ 株式会社インプレス (2021-08-23). "「プロジェクトセカイ」伊東健人さん制作楽曲「magic number」が9月1日に追加決定！ 初の大型イベント「プロジェクトセカイ アニバーサリーフェスタ 2021」開催". GAME Watch (in Japanese). Retrieved 2022-10-18.
  4. ^ "Wotakoi Hirotaka VA Kento Ito Makes His Solo Singer Debut in September". 26 August 2022. Archived from the original on 30 August 2022. Retrieved 30 August 2022.
  5. ^ a b "伊東健人がポニーキャニオンに移籍｜新EPが来年1月21日にリリース". アニメイトタイムズ (in Japanese). Retrieved 2025-10-30.
  6. ^ "株式会社81プロデュース-声優プロダクション". www.81produce.co.jp. Retrieved October 20, 2021.
  7. ^ アニメ「アイドルマスター SideM」公式サイト. アニメ「アイドルマスター SideM」公式サイト (in Japanese). Retrieved October 20, 2021.
  8. ^ ヲタク同士の恋を描く「ヲタクに恋は難しい」ノイタミナでテレビアニメ化. Comic Natalie (in Japanese). Natasha, Inc. July 20, 2017. Retrieved October 20, 2021.
  9. ^ "Otona nya Koi no Shikata ga Wakaranee! Adult Romantic Comedy Anime's Videos Preview Theme Song". Anime News Network. September 25, 2020. Retrieved October 20, 2021.
  10. ^ "水野颯馬". TVアニメ「指先から本気の熱情2-恋人は消防士-」 (in Japanese). Retrieved October 20, 2021.
  11. ^ "TVアニメ「SHOW BY ROCK!! STARS!!」公式サイト". TVアニメ「SHOW BY ROCK!! STARS!!」公式サイト (in Japanese). Retrieved October 20, 2021.
  12. ^ "The Titan's Bride Boys-Love Isekai Manga Gets Anime". Anime News Network. March 18, 2020. Retrieved October 20, 2021.
  13. ^ "『ヒプノシスマイク-Division Rap Battle-』Rhyme Anima オフィシャルサイト". hypnosismic-anime.com (in Japanese). Retrieved October 20, 2021.
  14. ^ "2.43: Seiin Kōkō Danshi Volley-bu TV Anime Premieres in January 2021 on Noitamina". Anime News Network. June 18, 2020. Retrieved October 20, 2021.
  15. ^ "Dragon Goes House-Hunting Anime Reveals 3rd Promo Video, More Cast, April 4 Debut". Anime News Network. March 5, 2021. Archived from the original on April 20, 2021. Retrieved March 5, 2021.
  16. ^ "World Trigger 3rd Season Anime Reveals 4 More Cast Members". Anime News Network. December 2, 2021. Retrieved December 2, 2021.
  17. ^ "Fantasy Bishōjo Juniku Ojisan to Anime's 1st Promo Video Reveals Cast, Staff, January 2022 Debut". Anime News Network. October 18, 2021. Retrieved October 20, 2021.
  18. ^ "My Home Hero Anime's 1st Teaser Reveals Cast, Staff, April 2023 Premiere". Anime News Network. September 29, 2022. Retrieved September 29, 2022.
  19. ^ "Oshi no Ko Anime Reveals Teaser, Cast, April 2023 TV Debut". Anime News Network. December 11, 2022. Retrieved December 11, 2022.
  20. ^ "Mashle: Magic and Muscles Anime Reveals Magia Lupus Cast". Anime News Network. May 26, 2023. Retrieved May 26, 2023.
  21. ^ "Miyu Tomita, Kent Itō Join Cast of Heat the Pig Liver Anime". Anime News Network. September 1, 2023. Retrieved September 1, 2023.
  22. ^ "Gods' Games We Play Anime Unveils Key Visual, More Cast, April 1 Premiere". Anime News Network. March 3, 2024. Retrieved March 3, 2024.
  23. ^ アニメ「黄昏アウトフォーカス」は7月4日から、新キービジュ＆楽曲入りのPV到着. Comic Natalie (in Japanese). Natasha, Inc. May 29, 2024. Retrieved May 30, 2024.
  24. ^ "I'll Become a Villainess Who Goes Down in History Anime Reveals 2nd Key Visual, 12 New Cast Members". Anime News Network. July 1, 2024. Retrieved July 1, 2024.
  25. ^ "Mahō Tsukai no Yakusoku – Promise of Wizard Anime's 1st Video Reveals January 2025 Debut". Anime News Network. May 12, 2024. Retrieved May 12, 2024.
  26. ^ "King Amusement Creative's Classic Stars Project Gets TV Anime in 2025". Anime News Network. July 1, 2024. Retrieved July 1, 2024.
  27. ^ "Disney Twisted-Wonderland Anime Reveals 23 More Cast Members". Anime News Network. July 24, 2025. Retrieved July 24, 2025.
  28. ^ "Oedo Fire Slayer -The Legend of Phoenix- TV Anime Reveals 10 More Cast Members". Anime News Network. November 7, 2025. Retrieved November 11, 2025.
  29. ^ "The Other World's Books Depend on the Bean Counter Anime's Teaser Reveals Cast, Staff, January TV Premiere". Anime News Network. July 31, 2025. Retrieved July 31, 2025.
  30. ^ 境界のメロディ：Kis-My-Ft2宮田俊哉の青春小説がテレビアニメ化 声優に伊東健人、佐久間大介、内田雄馬、武内駿輔、斉藤壮馬. Mantan Web (in Japanese). November 13, 2025. Retrieved November 13, 2025.
  31. ^ "2nd Touken Ranbu: Hanamaru ~Setsugetsuka~ Anime Film's Trailer Reveals More Cast, Theme Song". Anime News Network. June 9, 2022. Retrieved June 9, 2022.
  32. ^ "Project Sekai: Colorful Stage feat. Hatsune Miku Smartphone Game Gets Anime Film". Anime News Network. July 29, 2024. Retrieved July 29, 2024.
  33. ^ キャラクターボイス一覧 ドラゴンクエストX　オンライン. www.dqx.jp (in Japanese). Retrieved August 31, 2025.
  34. ^ 「プロジェクトセカイ カラフルステージ！ feat. 初音ミク」，ゲーム内に登場する5ユニット，総勢20名のプロフィールと相関図が公開に. www.4gamer.net (in Japanese). December 13, 2019. Retrieved October 20, 2021.
  35. ^ Liu, Stephanie (March 8, 2022). "Moriarty and Don Quixote Appear in Fate/Grand Order". Siliconera. Retrieved June 9, 2022.
  36. ^ 『崩壊：スターレイル』本日（4/26）配信！ HoYoverseの新作RPG、個性的なキャラクターたちをいち早く一挙紹介. Famitsu (in Japanese). April 26, 2023. Archived from the original on April 27, 2023. Retrieved April 27, 2023.
  37. ^ #崩壊スターレイル 声優コメント公開記念キャンペーン 丹恒・飲月役 #伊東健人 さんのコメントをお届けします！. Twitter (in Japanese). August 30, 2023. Retrieved August 30, 2023.
  38. ^ "『ゴシップガール』U-NEXTにて見放題で独占配信！". U-NEXT. Retrieved April 26, 2022.
  39. ^ "小芝風花＆津田健次郎、超巨大竜巻に挑む！『ツイスターズ』日本語吹替版キャスト発表". Cinema Today. July 2024. Retrieved July 16, 2024.
  40. ^ "「きかんしゃトーマス」新シリーズ放送開始日決定！PV公開＆キャスト発表第2弾！". アニメ – NHKオンライン. 2022-10-28. Retrieved 2022-10-28.
  41. ^ "COVER～YOUTH～【CD】 | 伊東健人 | UNIVERSAL MUSIC STORE". UM (in Japanese). Retrieved 2022-10-18.
  42. ^ "真夜中のラブ". A-Sketch Official Site.
  43. ^ "2023年2月15日発売、伊東健人 1st EPタイトル決定！初回限定盤、通常盤のジャケット写真2種類も公開！". KENT ITO (in Japanese). 2022-12-16. Retrieved 2022-12-17.
  44. ^ "3月27日(水)2nd EP「咲音」のリリースが決定！！＆最新アーティスト写真公開！". KENT ITO (in Japanese). 2024-01-29. Retrieved 2024-01-29.
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