JO1 is an eleven-member Japanese boy group formed by the top contestants of Produce 101 Japan under LAPONE ENTERTAINMENT. The Members consist of Yonashiro Sho, Kawashiri Ren, Shiroiwa Ruki, Kono Junki, Sato Keigo, Kawanishi Takumi, Kimata Syoya, Ohira Shosei, Kinjo Sukai, Tsurubo Shion and Mamehara Issei. They debuted on March 4th, 2020 with their single ‘PROTOSTAR’.