24K is a boy group that debuted in 2012 under Choeun Entertainment. They debuted as 7 members and are currently have 7 still in the group but only 2 original members remain. 2 members left after debuted and the group had a comeback in 2015 with 2 new members but they were masked and were not revealed as members until the next comeback.

Hurry Up

~~U R So Cute~~

Hey You

Superfly

Still 24K

Bingo

https://www.youtube.com/watch?v=FNRUoJaabTM

Only You

Bonnie N Clyde

1Punch

1Punch was a hip hop duo that debuted in 2015 under Brave Entertainment and D-Business Entertainment. The group consisted of One, now a solo rapper, and Punch, a pre-debut Samuel Kim. They were only together for 8 months.

Turn Me Back

100%

100% is a boy group under TOP Media (which was founded by Andy, a member of the longest running kpop group, Shinhwa) that debuted in 2012. The group debuted with 7 members but by 2016 2 members had left for personal reasons. In 2018, leader Minwoo passed away from cardiac arrest. The group now promotes with the remaining 4 members. They have one sub-unit with 100% V.

2012