Minako Kotobuki

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Minako Kotobuki
Minako Kotobuki.jpg
Native name 寿 美菜子
Born (1991-09-17) September 17, 1991 (age 24)
Kobe, Hyōgo Prefecture, Japan
Occupation Actress, voice actress, singer
Years active 2005-present
Website ameblo.jp/kotobukiminako-blog/
Musical career
Genres J-pop
Instruments Vocals, keyboards
Years active 2009–present
Labels Sony Music Entertainment Japan / Music Ray'n
Associated acts Sphere, Ho-kago Tea Time / Sakurakou K-ON Bu
Website www.kotobukiminako.com

Minako Kotobuki (寿 美菜子 Kotobuki Minako?, born September 17, 1991) is a Japanese actress, voice actress and singer from Hyōgo Prefecture.[1] She is best known for her role as Tsumugi Kotobuki in the anime series K-On! about a high school girl band. The show launched her music career as she performed the opening and ending themes and joined the three other voice actresses as the music group Sphere.

Acting career[edit]

At the age of three years, Kotobuki and her parents were caught up in the Kobe earthquake. Not long after having seen a 1997 Japanese film entitled Chikyuu ga Ugoita Hi ("The Day the Earth Moved"), all of these events inspired Kotobuki to pursue a career in voice acting.[2]

Kotobuki's most notable role in the span of her voice acting career is Tsumugi Kotobuki from K-On!. She has also played various popular voice roles such as Karina Lyle/Blue Rose from Tiger & Bunny, Mitsuko Kongō from the Index and Railgun anime series, Yūko Nishi from A Channel, and Natsumi Aizawa from Natsuiro Kiseki.

Music career[edit]

Kotobuki began her musical career with the performance of the opening and ending themes of the 2009 anime series K-On! with fellow voice actresses Aki Toyosaki, Yōko Hikasa, and Satomi Satō.[3] Shortly after, she performed the opening theme of the 2009 Hatsukoi Limited series with Aki Toyosaki, Ayahi Takagaki, and Haruka Tomatsu.[4] The four are affiliated with Music Ray'n, an artist management and publishing group of Sony Music Entertainment.[5][6] They are currently known as the musical group Sphere and released their first single, "Future Stream", on April 22, 2009.[4]

Coupled with the release of her first album My Stride, Kotobuki had her first solo Japan-wide concert tour entitled Our Stride in 2012 spanning across four dates and venues starting from November 18 in Kobe's International House Kokusai Hall and ending on December 9 in Ōmiya's Sonic City Hall.[7][8][9][10]

Kotobuki is said to be "the fastest learner on how to dance" among her peers as far as her being a member of Sphere goes so much that she even guides the other three members of Sphere on dancing.[11] Even in singing, Kotobuki is said to learn just as fast, "a pro in harmonization" according to her fellow cast mate in K-On!, Satomi Satō and "someone who has good sense in pitch" according to one of K-On's staff members in charge of music.[12]

During her stint in both seasons of the K-On! anime series, she and her fellow cast members were involved in two live events, and just like the character she portrayed in K-On!, she was in charge of playing the keyboard in both occasions. She also played the keyboard on some of her own songs during her Our Stride solo concert tour and on Sphere's first 2013 live event, Music Rainbow 02.

She also participated in the anime series, Aikatsu! and was the voice actress of Kanzaki Mizuki.



  • "Shiny+" (September 15, 2010)
  • "Startline" (November 24, 2010)
  • "Dear my..." (September 14, 2011)
  • "Kokoro Sky" (April 11, 2012)
  • "Prism" (June 19, 2013)
  • "Pretty Fever" (November 20, 2013)
  • "Believe x" (Believe Cross) (April 16, 2014)
  • "black hole" (April 8, 2015)
  • "Candy Color Pop" (September 16, 2015)


  • My Stride (2012)
  • Tick (2014)[13]


Live-action film[edit]

  • Hibi - Young Kumiko Kamiyama
  • Ghost of Yesterday - Fumiko
  • Koufuku no Switch - Young Hitomi
  • Hinami - Mina, Satsuki
  • Bluebird - Michiru[14]
  • -x- (Minus Kakeru Minus) - Rin Fujimoto
  • Schoolgirl Complex: Broadcasting Club Edition - Ikumi Motonishi (School teacher)[15]


  • Red Garden (anime voice-over debut) - Student C, Grace A

Anime films[edit]


Video games[edit]

  • Ro-Kyu-Bu!: Naisho no Shutter Chance (Vita) - Natsuhi Takenaka
  • Suzunone Seven! Portable (PSP) - Mayo Shouno
  • Hyrule Warriors (Wii U) - Lana, Cia
  • Grimoire 〜Shiritsu Grimoire Mahou Gakuen〜 (Smartphone game) - Senri Wagatsuma
  • Heroes Placement (Smartphone game) - Obana Tonomine
  • Aikatsu! 365 Idol Days (3DS) - Mizuki Kanzaki




  • Tanin no Me - Belinda
  • Eclipse - Hanezu, Young Seimei[26]

Overseas dubbing[edit]


  1. ^ "Profile (Minako Kotobuki Profile)" (in Japanese). Music Ray'n. Retrieved 2009-05-14. 
  2. ^ Tokyo MX's "Utatane", September 12, 2009 episode.
  3. ^ a b "けいおん!公式ホームページ / スタッフ&キャスト (K-ON! / Staff & Cast)" (in Japanese). Tokyo Broadcasting System Television, Inc. Retrieved 2009-05-14. 
  4. ^ a b "TVアニメ『初恋限定。』 - スフィア (TV Anime Hatsukoi Limited - sphere)" (in Japanese). Lantis. Retrieved 2009-04-18. 
  5. ^ "Official Sphere site — Sphere". planet-sphere.jp (in Japanese). Retrieved 2009-04-19. 
  6. ^ "株式会社 ミュージックレイン (Music Ray'n Inc.)" (in Japanese). Sony Music Entertainment. Retrieved 2009-04-19. 
  7. ^ "みなころび八起き:☆Our stride in神戸☆" (in Japanese). Ameba (Minako Kotobuki). Retrieved June 23, 2013. 
  8. ^ "みなころび八起き:☆Our stride in 中野☆" (in Japanese). Ameba (Minako Kotobuki). Retrieved June 23, 2013. 
  9. ^ "みなころび八起き:☆Our stride in愛知☆" (in Japanese). Ameba (Minako Kotobuki). Retrieved June 23, 2013. 
  10. ^ "みなころび八起き:☆Our stride in大宮☆" (in Japanese). Ameba (Minako Kotobuki). Retrieved June 23, 2013. 
  11. ^ From Episode 265 of "A&G 超RADIO SHOW〜アニスパ!〜"
  12. ^ "VOiCE Newtype #33". Kadokawa Shoten. August 2009: 31–33. 
  13. ^ "寿美菜子 2ndアルバム タイトル決定!" (in Japanese). Retrieved 2014-08-15. 
  14. ^ "Bluebird cast". Retrieved 2 June 2011. 
  15. ^ 人気声優・寿美菜子が女性教師役、ガールズラブ映画に出演 (in Japanese). クランクイン!. Retrieved June 23, 2013. 
  16. ^ "K-ON's Kotobuki Plays Jiji in Live-Action Kiki's Delivery Service". Anime News Network. Retrieved 2014-01-15. 
  17. ^ 映画『小野寺の弟・小野寺の姉』公式サイト (in Japanese). Retrieved September 14, 2014. 
  18. ^ "Official Hatsukoi Limited site - スタッフ&キャスト (Staff & Cast)". j-hatsukoi.com (in Japanese). Retrieved 2009-04-17. 
  19. ^ "Voice Actress Group Sphere Star in Natsuiro Kiseki Anime (Updated)". Sunrise. Retrieved 2011-11-13. 
  20. ^ "Hitomi Nabatame, Minako Kotobuki Lead Dokidoki! Precure Cast". Anime News Network. Retrieved 26 October 2014. 
  21. ^ "咲-Saki- Characters". Retrieved 26 October 2014. 
  22. ^ "キャラクター - TVアニメーション「世界征服~謀略のズヴィズダー~」公式サイト". オリジナルTVアニメーション「世界征服~謀略のズヴィズダー~」公式サイト. Retrieved 26 October 2014. 
  23. ^ "「ガールフレンド(仮)」15日間連続アニメキャスト発表!7日目は神楽坂砂夜(CV:寿美菜子)" (in Japanese). Retrieved 2014-08-12. 
  24. ^ "All Sphere Voice Actresses to Be in 2011 Pokémon Films". Anime News Network. Retrieved December 11, 2012. 
  25. ^ "Voice Actress Group Sphere's Blu-ray Disc Ranks #1". Anime News Network. Retrieved December 11, 2012. 
  26. ^ みなころび八起き:☆明日から☆ (in Japanese). Ameba (Minako Kotobuki). Retrieved September 22, 2014. 
  27. ^ みなころび八起き:☆ビザンチウム☆ (in Japanese). Ameba (Minako Kotobuki). Retrieved March 6, 2014. 
  28. ^ 新『サンダーバード』に浪川大輔、柿原徹也ら メカデザインに河森正治氏 ORICON STYLE< (in Japanese). Oricon. Retrieved August 5, 2015. 

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