Kei Inoo

Kei Inoo
伊野尾慧
Kei Inoo 伊野尾慧
Born	June 22, 1990 (age 36)
Origin	Saitama Prefecture, Japan
Genres	J-pop
Occupations	Singer; actor;
Years active	2001–present
Labels	Starto Entertainment, Storm Labels

Kei Inoo (伊野尾慧, Inoo Kei; born June 22, 1990)^[1] is a Japanese singer, actor, and member of Hey! Say! JUMP. He is under the management of Starto Entertainment. He was born in Saitama Prefecture.^[2]

On September 23, 2001, he entered Johnny & Associates as a trainee. He later became a member of the Johnny's Jr. group J.J. Express. In 2007, he debuted as a member of Hey! Say! JUMP. He graduated from Meiji University with a degree in architecture in 2013.^[3] He plays the keyboard during the group's live shows.

Career

He joined Johnny & Associates as a Johnny's Jr. He appeared regularly on the show, Ya-Ya-yah, as well as J&A show, Shounen Club. He later became a part of the Johnny's Jr. group, J.J. Express with Yuya Takaki, Daiki Arioka, and Yuto Nakajima. He debuted on September 24, 2007, as a member of Hey! Say! JUMP.

Since then, Inoo has been cast in numerous dramas and became a frequent guest on Tensai! Shimura Dobutsuen and a regular on Mezamashi TV.^[4] He also appeared on the Saturday afternoon variety show, Meringue no Kimochi.^[5]

He was cast as the main role in the live-action movie adaptation of the manga Peach Girl as Okayasu Kairi which was released in 2017 and marked his film debut.^[6]

Personal life

He has a second-class small boat pilot license and a scuba diving license.^[7] Inoo graduated from the Department of Architecture, Faculty of Science and Engineering, Meiji University in 2013.^[3]^[8]

Inoo is distantly related to Jesse of SixTONES, who is also under Starto Entertainment.^[9]

Filmography

Film

Year	Title	Role	Notes	Ref.
2017	Peach Girl	Okayasu Kairi	Lead role	^[10]

Television drama

Year	Title	Role	Notes	Ref.
2025	Parallel Couple: The Truth Behind Our Death	Kanta Namikawa	Lead role	^[11]
2025–26	Strobe Edge	Kyoichi Miyoshi	2 seasons	^[12]

Other television

Year	Title	Notes	Ref.
2016–22	Mezamashi TV	Thursday MC	^[13]^[14]

References

↑ "伊野尾慧 (Kei Inoo)- CDJournal". artist.cdjournal.com (in Japanese). Archived from the original on April 6, 2023. Retrieved March 28, 2024.
↑ "Kei Inoo's Profile" (in Japanese). Retrieved November 2, 2016.
1 2 "祝・大学卒業！ KAT-TUN・中丸＆Hey!Say!JUMP・伊野尾、在学中の苦労とは – サイゾーウーマン". サイゾーウーマン (in Japanese). March 27, 2013. Retrieved August 20, 2016.
↑ "Inoo Kei to be a Regular on Mezamashi". March 6, 2016.
↑ "Kei Inoo Regular MC on Meringue no Kimochi". johnnys-net. Archived from the original on November 4, 2016. Retrieved November 3, 2016.
↑ "Mizuki Yamamoto & Kei Inoo to Star in Film Adaptation of "Peach Girl"". March 28, 2016.
↑ "夏空の下へ"GOing"!". Duet (in Japanese): 34. August 2015 – via ホーム社.
↑ "Hey! Say! JUMPの最終兵器"伊野尾慧、続く抜擢に「伊野尾革命」の声ジャニーズきっての"建築アイドル"の魅力とは" [Hey! Say! JUMP's ultimate weapon Kei Inoo, Voice of "Inoo revolution" in the continued selection, What is the charm of Johnny's "architecture idol"?]. modelpress (in Japanese). March 10, 2016.
↑ "Hey! Say! JUMP伊野尾慧、SixTONESジェシーと「遠い親戚」ジャニーズファンから驚きの声" [Hey! Say! JUMP Kei Inoo, SixTONES Jessie and "distant relatives" Surprised voices from Johnny's fans]. modelpress (in Japanese). November 8, 2018.
↑ "ピーチガールaccess-date= 8 January 2026". eiga.com (in Japanese).
↑ "パラレル夫婦　死んだ"僕と妻"の真実の出演者・キャスト一覧". The Television (in Japanese). Retrieved January 8, 2026.
↑ "「ストロボ・エッジ Season2」に出口夏希・櫻井海音が出演、「アオハライド」と同じ役". Natalie (in Japanese). January 8, 2026. Retrieved January 8, 2026.
↑ "Kei Inoo Regular on Mezamashi TV". aramajapan. March 6, 2016. Retrieved November 2, 2016.
↑ "Hey! Say! JUMP 伊野尾慧:6年間出演の「めざましテレビ」卒業冠コーナーも担当「僕にとって宝物」「スタッフの愛に支えられた」". Oricon (in Japanese). March 31, 2022. Retrieved January 8, 2026.

External links

[1] "伊野尾慧 (Kei Inoo)- CDJournal". artist.cdjournal.com (in Japanese). Archived from the original on April 6, 2023. Retrieved March 28, 2024.

[2] "Kei Inoo's Profile" (in Japanese). Retrieved November 2, 2016.

[:0-3] 1 2 "祝・大学卒業！ KAT-TUN・中丸＆Hey!Say!JUMP・伊野尾、在学中の苦労とは – サイゾーウーマン". サイゾーウーマン (in Japanese). March 27, 2013. Retrieved August 20, 2016.

[4] "Inoo Kei to be a Regular on Mezamashi". March 6, 2016.

[auto-5] "Kei Inoo Regular MC on Meringue no Kimochi". johnnys-net. Archived from the original on November 4, 2016. Retrieved November 3, 2016.

[6] "Mizuki Yamamoto & Kei Inoo to Star in Film Adaptation of "Peach Girl"". March 28, 2016.

[7] "夏空の下へ"GOing"!". Duet (in Japanese): 34. August 2015 – via ホーム社.

[8] "Hey! Say! JUMPの最終兵器"伊野尾慧、続く抜擢に「伊野尾革命」の声ジャニーズきっての"建築アイドル"の魅力とは" [Hey! Say! JUMP's ultimate weapon Kei Inoo, Voice of "Inoo revolution" in the continued selection, What is the charm of Johnny's "architecture idol"?]. modelpress (in Japanese). March 10, 2016.

[9] "Hey! Say! JUMP伊野尾慧、SixTONESジェシーと「遠い親戚」ジャニーズファンから驚きの声" [Hey! Say! JUMP Kei Inoo, SixTONES Jessie and "distant relatives" Surprised voices from Johnny's fans]. modelpress (in Japanese). November 8, 2018.

[10] "ピーチガールaccess-date= 8 January 2026". eiga.com (in Japanese).

[11] "パラレル夫婦　死んだ"僕と妻"の真実の出演者・キャスト一覧". The Television (in Japanese). Retrieved January 8, 2026.

[12] "「ストロボ・エッジ Season2」に出口夏希・櫻井海音が出演、「アオハライド」と同じ役". Natalie (in Japanese). January 8, 2026. Retrieved January 8, 2026.

[13] "Kei Inoo Regular on Mezamashi TV". aramajapan. March 6, 2016. Retrieved November 2, 2016.

[14] "Hey! Say! JUMP 伊野尾慧:6年間出演の「めざましテレビ」卒業冠コーナーも担当「僕にとって宝物」「スタッフの愛に支えられた」". Oricon (in Japanese). March 31, 2022. Retrieved January 8, 2026.

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