Eleven member group that debuted in August 2017. Their first EP 1×1=1 (To Be One) hit #1 on the Korean charts. Their single "Energetic" off the EP was also a #1 hit.
They won New Korean Wave Rookie Award and the New Korean Wave Rising Hot Star Award at the Soribada Best K-Music Awards in 2017. They disbanded on December 31, 2018.