Wikipedia

Issei Mamehara

In this Japanese name, the surname is Mamehara.
The native form of this personal name is Mamehara Issei. This article uses Western name order when mentioning individuals.

Issei Mamehara (豆原 一成, Mamehara Issei, born May 30, 2002), is a Japanese singer and actor. He debuted as a member of the Japanese boy band JO1 in 2020, after placing first in the first season of Produce 101 Japan. He made his debut as an actor in 2021 and played Kamen Rider Chimera in the Kamen Rider Revice films.

Issei Mamehara
豆原 一成
Mamehara in 2023
Born (2002-05-30) May 30, 2002 (age 22)
Maniwa, Okayama, Japan
Other namesMame
Occupations
  • Singer
  • actor
Musical career
Genres
InstrumentVocals
Years active2019–present
LabelsLapone
Member ofJO1
WebsiteOfficial website
Japanese name
Kanji豆原 一成
Hiraganaまめはら いっせい
RomanizationMamehara Issei
Korean name
Hangul마메하라 잇세이
Revised RomanizationMamehara Itsei
McCune–ReischauerMamehara Itsei

Early life and education

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Issei Mamehara was born on May 30, 2002, in Maniwa, Okayama, Japan.[1][2] He was an active child who participated in baseball, swimming, and sumo tournaments throughout his school life.[2] Mamehara started dancing at home when he was in elementary school after seeing his older sister's dance classes.[3][4] A televised performance of Generations from Exile Tribe turned Mamehara into their big fan and motivated him to begin attending a dancing school in his second year of junior high.[4][5] He specialized in the '90s hip hop dance[5] and started teaching children at his dance school in his freshman year of high school.[3][6] Mamehara grew up watching tokusatsu media, especially the Kamen Rider franchise, and aspired to star in it.[3]

Mamehara graduated from high school in March 2021.[7]

Career

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2019: Produce 101 Japan

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After failing a series of auditions in 2019, Mamehara's older sister, a fan of South Korean Produce 101, suggested he try out for Produce 101 Japan. Having limited knowledge about K-pop, he initially refused to apply because he wanted to be a professional dancer instead.[3][4] He eventually applied a day before the deadline, following his sister's encouragement.[4] The show was held from September to December, where he finished first with 261,583 votes.[8][9][10]

2020–present: Debut in JO1 and solo activities

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Following an "intense" boot camp in South Korea,[6] seventeen-year-old Mamehara debuted with the resulting boy group JO1 and its first single, Protostar, on March 4, 2020, through Lapone Entertainment. His win awarded him the choreographic center position in the group's debut song, "Infinity".[3][8][11]

In November 2020, Mamehara was named Mezamashi TV's monthly entertainment presenter, making him the segment's youngest presenter at that time.[12] He then took acting classes and made his acting debut in the Yoshimoto Kogyo-produced anthology film, Meters Away, Worlds Apart in 2021,[3][13] alongside Produce 101 Japan's host and comedian Takashi Okamura.[7][13] In 2022, Mamehara was cast as Kamen Rider Chimera in the film Kamen Rider Revice: Battle Familia [ja].[14][15] He reprised his role in Birth of Chimera (2022), an exclusive Toei Tokusatsu Fan Club spin-off film that delves into his character's backstory.[16]

In 2023, he made his small screen debut in NHK's Super Human Fortress Record of Hiroshi War [ja], as the humanoid Hiroshi.[17][18] In the following year, he made his TBS Sunday Theatre debut in the Ryunosuke Kamiki-led drama Diamond Sleeping in the Sea [ja].[19]

Filmography

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For Mamehara's works with JO1, see JO1 § Filmography.

Film

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List of films, with the release year, role, and note
Year Title Role Note Ref.
2021 Meters Away, Worlds Apart Hiroki Asada Segment: "Today is A Good Day" [13]
2022 Kamen Rider Revice: Battle Familia [ja] Nozomu Otani / Kamen Rider Chimera [14]

Television

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List of television programs, with the release year, role, and note
Year Title Role Note Ref.
2019 Produce 101 Japan Contestant Finished 1st [8]
2020 Mezamashi TV Host of the month [12]
2022 Short Program Hajime Toshino Anthology series; lead role [20]
Kamen Rider Revice Movie Spin-Off Web Drama: Birth of Chimera Nozomu Otani Television film; lead role [16]
2023 Super Human Fortress Record of Hiroshi War [ja] Hiroshi Tanaka Starring role [17]
Azatoi Type A to Z Takuma Drama segment of Azatoku Nani ga Waruino? [ja] [21]
An Encouragement of Laughing Life [ja] Nobuyuki Yamamoto Starring role [22]
2024 Mame's and Sho's Best Holiday - JO1derful Tour Himself With Sho Yonashiro [23]
Diamond Sleeping in the Sea [ja] Seiya [19]

References

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  1. ^ "オーディションから誕生の「JO1」の凄さと詳細プロフィール紹介". News Post Seven [ja] (in Japanese). April 15, 2020. Archived from the original on March 7, 2023. Retrieved March 10, 2023.
  2. ^ a b "ＪＯ１・豆原一成さんに聞く　「世界を舞台に戦いたい」". Sanyo Shimbun Digital (in Japanese). March 7, 2020. Archived from the original on March 7, 2020. Retrieved March 10, 2023.
  3. ^ a b c d e f "ドラマ初主演＆ドキュメンタリー映画公開で勢いに乗る 「JO1」最年少メンバー・豆原一成インタビュー". Talent Power Ranking. March 9, 2022. Archived from the original on November 12, 2022. Retrieved March 10, 2023.
  4. ^ a b c d Murakami, Natsuna (October 17, 2021). "JO1 豆原一成の"挑戦"し続ける人生　今、同世代に伝えたいこと". Real Sound (in Japanese). Archived from the original on June 30, 2022. Retrieved March 10, 2023.
  5. ^ a b "【白濱亜嵐×豆原一成】豆ちゃんの印象は？「子犬みたいで超可愛い♥」今をときめくイケメン2人の激エモ対談". Ar Magazine. December 11, 2021. Archived from the original on February 3, 2024. Retrieved February 3, 2024.
  6. ^ a b E. Morales, Iavana (May 24, 2023). "JO1 Open Up About "Tropical Night," Produce 101 Japan, and Their 3-Year Journey Since Debut". Teen Vogue. Archived from the original on May 24, 2023. Retrieved February 3, 2024.
  7. ^ a b "不器用な青年を好演！豆原一成(JO1)が映画初出演で見せたステージ上とのギャップ". Hominis (in Japanese). January 5, 2022. Archived from the original on December 6, 2022. Retrieved March 10, 2023.
  8. ^ a b c "『PRODUCE 101 JAPAN』JO1、デビューメンバー11人が決定 初代センターは最年少17歳の豆原一成". Oricon (in Japanese). December 11, 2019. Archived from the original on December 11, 2022. Retrieved March 10, 2023.
  9. ^ "「PRODUCE 101 JAPAN」デビューメンバー11人決定 1位は最年少・豆原一成＜1位～20位最終順位＞". Modelpress [ja] (in Japanese). December 11, 2019. Archived from the original on December 11, 2019. Retrieved March 10, 2023.
  10. ^ C Channel Co., Ltd. (September 12, 2019). 『PRODUCE 101 JAPAN』とのコラボステージ決定！9月21日(土)に101人の練習生が「SUPER C CHANNEL 2019」の会場に勢ぞろい！ [Collaboration stage with "PRODUCE 101 JAPAN" decided! 101 trainees will be at the "SUPER C CHANNEL 2019" venue on Saturday, September 21st!]. PR Times (in Japanese). Archived from the original on January 25, 2022. Retrieved October 6, 2023.
  11. ^ "【紅白リハ】JO1豆原一成、「僕たちの可能性を伝えられたら」 センター務める「無限大」披露で". Oricon (in Japanese). December 29, 2023. Archived from the original on August 31, 2023. Retrieved August 31, 2023.
  12. ^ a b "JO1豆原一成『めざましテレビ』マンスリーエンタメプレゼンター就任「フルパワーで頑張ります」". Oricon (in Japanese). October 28, 2020. Archived from the original on January 28, 2021. Retrieved March 10, 2023.
  13. ^ a b c "JO1豆原一成と般若出演、人気俳優×吉本タレント×クリエイターが集結したオムニバス映画公開決定". Natalie (in Japanese). December 10, 2020. Archived from the original on February 4, 2021. Retrieved March 10, 2023.
  14. ^ a b "JO1豆原一成の夢叶う！「劇場版 仮面ライダーリバイス」でハイジャック犯に立ち向かう". Natalie (in Japanese). June 13, 2022. Archived from the original on July 17, 2022. Retrieved March 13, 2023.
  15. ^ "仮面ライダーキマイラ". 仮面ライダー図鑑 (in Japanese). Archived from the original on February 3, 2024. Retrieved February 3, 2024.
  16. ^ a b "劇場版「リバイス」出演のJO1豆原一成がスピンオフ主演！橋本祥平はキマイラに変身". Natalie (in Japanese). June 21, 2022. Archived from the original on July 13, 2022. Retrieved March 13, 2023.
  17. ^ a b "高山一実、NHKドラマ初主演 JO1豆原一成&山之内すず共演の夜ドラ『超人間要塞ヒロシ戦記』来年2月放送". Oricon (in Japanese). November 28, 2022. Archived from the original on November 28, 2022. Retrieved March 13, 2023.
  18. ^ "JO1・豆原一成、自身が演じる役柄について語る「今まで演じた役の中で一番難しかった」＜超人間要塞ヒロシ戦記＞". The Television (in Japanese). February 13, 2023. Archived from the original on February 3, 2024. Retrieved February 3, 2024.
  19. ^ a b "神木隆之介主演「海に眠るダイヤモンド」に新キャスト8名、JO1豆原一成が日曜劇場デビュー". Natalie (in Japanese). September 15, 2024. Retrieved October 17, 2024.
  20. ^ "JO1主演「ショート・プログラム」ビジュアル＆配役が解禁、過去コンテンツも続々配信". Natalie (in Japanese). February 14, 2022. Archived from the original on February 25, 2022. Retrieved March 2, 2022.
  21. ^ "JO1豆原一成が彼女持ちの大学生役に、川口ゆりな演じる幼馴染を優しく見守る". Natalie (in Japanese). April 10, 2023. Retrieved April 3, 2024.
  22. ^ "小池栄子主演「ラフな生活のススメ」にJO1豆原一成、松本穂香が仲間入り　脚本はAマッソ加納ら". Natalie (in Japanese). May 29, 2023. Archived from the original on July 28, 2023. Retrieved July 11, 2023.
  23. ^ "『JO1』豆原一成＆與那城奨が"最高の休日を満喫"　地上波初の冠番組、テレ東系「豆と奨の最高の休日 JO1 ダフルツアー」14日放送". Chunichi Shimbun (in Japanese). September 9, 2024. Retrieved October 17, 2024.
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