EL7Z UP (Korean: 엘즈업) is a seven-member project girl group formed through the survival show QUEENDOM PUZZLE. The group is composed of various members of k-pop girl groups: H1-KEY's Hwiseo (휘서), woo!ah!'s Nana (나나), PURPLE KISS's Yuki (유키), LOVELYZ's Kei (케이), WJSN's Yeoreum (여름), Rocket Punch's Yeonhee (연희) and CLC's Yeeun (예은). They made their debut on September 14, 2023 with "CHEEKY" on their first mini album “7+UP”.