flor_us (플로어스; or flor.us) was a four-member girl group under YEOM Entertainment. They released the pre-debut single "Because of You" on November 4, 2018, and officially debuted on December 18, 2018, with their first mini album "flor_u[s]chool". The group addresses various social issues through their songs. Hyejeong left the group in December 2020. On June 28, 2021, YEOM Entertainment announced they had decided to terminate the contract of all flor_us members and disband the group due to hardships caused by the pandemic.