What makes Eighteen by CLC notable?

'Eighteen' marked CLC's entry into the competitive K-pop market, receiving attention for its catchy tune and vibrant choreography. The song showcased their potential and helped them gain a foothold in the industry, setting the stage for future releases. Released on April 5, 2015, 'Eighteen' was CLC's debut single, introducing the group to the K-pop scene. At this time, they were still establishing their identity after being formed in 2015 and aimed to capture the interest of a young audience with their fresh sound.