Rolling Quartz.

Rolling Quartz is a 5-member South Korean rock girl group/band managed by Rolling Star Entertainment. The lineup includes members Arem, Iree, Yeongeun, Jayoung, and Hyunjung. Additional background says that they were originally two separate bands, under the names Rolling Girlz and Rose Quartz, but they merged into a single group, Rolling Quartz. Their debut took place on December 30th, 2020 with, Blaze.