JO1

JO1 (Japanese: ジェイオーワン, Hepburn: Jeiōwan) is a Japanese boy band formed through the first season of Produce 101 Japan by Lapone Entertainment. The band is composed of nine members: Issei Mamehara, Ren Kawashiri, Takumi Kawanishi, Ruki Shiroiwa, Keigo Sato, Syoya Kimata, Junki Kono, Sukai Kinjo, and Sho Yonashiro. Originally formed as an eleven-member group, Shion Tsurubo and Shosei Ohira left the band in 2025 and 2026, respectively. The group is the first permanent Produce 101 winning group. JO1 debuted on March 4, 2020, and was named one of the Best 5 New Artists at the Japan Gold Disc Award. Since then, they have achieved ten consecutive Oricon number-one singles as well as eight number-one songs and three consecutive number-one albums on the Billboard Japan Hot charts. They are two-time Excellent Work Award winner at the Japan Record Award and recipient of streaming certifications for their songs "Love Seeker", "SuperCali", and "Be Classic" from the Recording Industry Association of Japan (RIAJ). Their other accolades include three MAMA Awards and four MTV Video Music Awards Japan.