Personal Info
Known For
Acting
Born
May 30, 2002 (age 23)
Also Known As
豆原 一成
Issei Mamehara (JO1)
豆原一成 (JO1)
豆原 一成 (JO1)
JO1
Issei Mamehara
Known For
KPOPPED
Self
2025
PRODUCE 101 JAPAN
Self – Trainee
2019
PRODUCE 101 JAPAN
2019
SHORT PROGRAM
戸志野はじめ
2022
SHORT PROGRAM
2022
Recommendations for a Rough Life
Nobuyuki Yamamoto
2023
Super Human Fortress Record of Hiroshi War
2023
Kamen Rider Revice the Movie: Battle Familia
Nozomu Otani
2022
Bad Boys: The Movie
Tsukasa Kiriki
2025
Meters Away, Worlds Apart
2021
Kamen Rider Revice the Movie Spin-Off: Birth of Chimera
Nozomu Otani
2022
Mount Fuji, Coffee, and the Formula for Happiness
安藤拓磨
2025
JO1 Live Streaming Concert STARLIGHT DELUXE
Issei
2021
JO1 THE MOVIE『未完成』-Bon Voyage-
Self
2025
JO1 the Movie: Unfinished - Go to the Top
2022
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Himself
2025
Mt. Fuji and Happiness Code
Takuma Ando
2025