What is "btob"

BtoB (; Korean: ; acronym for Born to Beat) is a South Korean boy group formed in 2012 by Cube Entertainment. The group consists of Eunkwang, Minhyuk, Changsub, Hyunsik, Peniel, Ilhoon, and Sungjae. The group debuted on March 21, 2012, on M! Countdown with Insane and Imagine. They released their first full-length album, Complete, in 2015.