The Story of the Superstars of KPop. BTS also known as the Bangtan Boys, is a seven-member South Korean boy band composed of RM, Jin, Suga, J-Hope, Jimin, V, and Jungkook. Originally a hip hop group, their musical style has evolved to include a wide range of genres. Their lyrics, often focused on personal and social commentary, touch on the themes of mental health, troubles of school-age youth, loss, the journey towards loving oneself, and individualism. After debuting in 2013 with their single album 2 Cool 4 Skool, BTS released their first Korean-language studio album, Dark Wild, and Japanese- language studio album, Wake Up, in 2014.