A South Korean boy band is a musical group typically consisting of male members who perform pop music, often characterized by catchy melodies, synchronized dance routines, and visually appealing aesthetics. These bands often have a dedicated fan base, known as ARMY for BTS or EXO-L for EXO, and they frequently engage with fans through social media and live performances. Many South Korean boy bands are part of the K-pop genre, which has gained international popularity over the years. They often release albums in both Korean and other languages, allowing them to reach a global audience. The success of these bands has contributed to the rise of the Hallyu Wave, a cultural phenomenon that promotes South Korean entertainment worldwide.