Biography
Yokono Sumire (横野 すみれ) is a 8.5 generation member of Street-sei under IDOL Street. She is a member of w-Street group OSAKA Rapirazu. She along with the other street-sei members have graduated when street-sei had disbanded on 10th August 2017. After leaving Avex, she joined NMB48 as a 6th generation member.
