Rolling Quartz (롤링쿼츠) is a five-member female band under Rolling Star Entertainment. The band consists of: JaYoung (vocals), Iree (guitar), HyunJung (guitar), Arem (bass) and YeongEun (drums). They debuted on December 30, 2020 with the digital single "Blaze". Before their debut, the band published covers on their YouTube channel.