앤더블 has achieved remarkable success with their debut album 'Sequence 01: Curiosity', selling 563,141 copies in just 3 days, thus becoming a 'half million seller'. The group has made a strong impression in the K-pop market with their debut performance on 'ショー! 音楽中心' and their music video reaching 10 million views. | 앤더블 has achieved remarkable success with their debut album 'Sequence 01: Curiosity', selling 563,141 copies in just 3 days, thus becoming a 'half million seller'. The group has made a strong impression in the K-pop market with their debut performance on 'ショー! 音楽中心' and their music video reaching 10 million views.