What makes So Beast by Highlight notable?

This album marked a significant commercial success, contributing to Highlight's rising popularity in Japan. The single 'SHOCK' became particularly notable for its chart performance, solidifying the group's place in the K-pop genre while influencing subsequent artists venturing into cross-market releases. In 2011, Highlight was transitioning from their debut as Beast in 2009 to establishing themselves as a prominent K-pop group. 'So Beast' served as their first Japanese album, expanding their reach into the Japanese market and showcasing their versatility with both Korean and Japanese versions of tracks.