2014 second mini album from the seven-piece Korean boy band. The album was released on February 12, 2014. It contains ten tracks, with "Boy In Luv" as the lead single. On April 9, the group promoted "Just One Day, " another track from the album. BTS, also known as the Bangtan Boys, is a seven-member South Korean boy band formed by Big Hit Entertainment. The name subsequently became a backronym for Beyond the Scene in July 2017.