What makes Boing Boing by April notable?

The album's title track, '유리성', became popular for its catchy hook and vibrant choreography, contributing to April's rise within the K-pop genre. Despite being a debut release, it showcased a strong visual concept that aligned with industry trends, receiving positive attention from fans and critics alike. Released on November 25, 2015, 'Boing Boing' was April's debut single album, marking their entrance into the K-pop scene. At this time, the group was gaining traction following their formation in 2015 and aimed to establish a distinct sound that would resonate with fans. The release positioned them strategically as a fresh act amidst a competitive landscape.