On November 20, 2013, the sub-unit made their debut with the release of their self-titled debut single "100% V". The sub-unit will focus more on vocals.[1]
2021: Disbandment[]
On October 9, 2021, it was announced that the main group, 100%, has disbanded following the termination of contract of six members, including four of the unit: Rockhyun, Hyukjin, Chanyong, and Jonghwan.[2]