ALLDAY PROJECT is a five-member co-ed group under THEBLACKLABEL. The lineup consists of Annie Moon, Tarzzan, Bailey Sok, Jo Woochan and Lee Youngseo.

The group debuted on June 23, 2025 with the single album FAMOUS, featuring the tracks “FAMOUS” and “WICKED.”

The group released their pre-release single “ONE MORE TIME” on November 17, 2025. On December 8, 2025, they released their first EP, ALLDAY PROJECT.