앤더블, a five-member group consisting of 장하오, 유승언, 리키, 김규빈, and 한유진, successfully held their debut showcase for their mini album 'Sequence 01: Curiosity' on the 26th in Seoul. The group's leader, 장하오, expressed their hard work and asked for interest in their debut. The debut showcase was attended by the group's members, who performed and took photos, showcasing their talents and charm. | 앤더블, a five-member group consisting of 장하오, 유승언, 리키, 김규빈, and 한유진, successfully held their debut showcase for their mini album 'Sequence 01: Curiosity' on the 26th in Seoul. The group's leader, 장하오, expressed their hard work and asked for interest in their debut. The debut showcase was attended by the group's members, who performed and took photos, showcasing their talents and charm.