JO1 Members Profile and Facts: JO1 is currently a 9-member Japanese boy group formed through Produce 101 Japan and managed by LAPONE ENTERTAINMENT. The group consists of Yonashiro Sho, Kawashiri Ren, Shiroiwa Ruki, Kono Junki, Sato Keigo, Kawanishi Takumi, Kimata Syoya, Kinjo Sukai, and Mamehara Issei. Tsurubo Shion left the group on December 31, 2025. … Continue reading JO1 Members Profile