The 8 K-Pop idols you didn't know were once the hit entertainment trainees 1. Former member of Topp Dogg Chen Xiaoxiang (kidoh)2 . GFRIEND member Wong Eun Fei (Sin B) 3 . JBJ member Kim Sang-kyun (A-Tom) 4 . GFRIEND member Eun Ha 5 . KNK member Park Seung Jun 6 . Boys Republic member Su Woong 7 . Former 9MUSES member Jo So-Jin 8 . ONF Member Kim Min-seok (Laun)

While Reddy, Loco, Basick, and Beenzino may have auditioned or been invited to join Big Hit Entertainment, they may never have trained there. Conversely, there are also some idols trained with BTS who may surprise you!

<h1 class="pgc-h-arrow-right">1 . Former member of Topp Dogg Chen Xiaoxiang (kidoh</h1>).

Chen Xiaoxiang (kidoh) began his career as an intern at what is now a well-known company. He was originally prepared to become a member of the BTS, but eventually left the group. After that, he will join Topp Dogg. He also left that group and started his personal career.

<h1 class="pgc-h-arrow-right">2 . Member of GFRIEND, Sin B</h1>

Speaking of the fact that there were female trainees in the big hit entertainment companies, you may think it is strange, but there are also some female trainees. In fact, Sin B was once one of the students!

She has been there as a trainee since she was 12 years old and almost grew up with BTS. According to another trainee, she is famous for her dance! When Big Hit Entertainment cut female trainees, they moved to Source Music and debuted as GFRIEND.

<h1 class="pgc-h-arrow-right">3 . JBJ member A-Tom</h1>

Former JBJ and Topp Dogg members of A-Tom were trainees at Big Hit Entertainment before moving on to a brokerage firm and debuting at Topp Dogg.

<h1 class="pgc-h-arrow-right">4 . Member of GFRIEND Eun Ha</h1>

Sin B and Eun Ha actually met before their debut together, as they were both trainees at Big Hit Entertainment. It is said that Eun Fei joined the company after Huang Eun Fei and wanted to concentrate on her own dance.

Eventually, they went to Source Music, and the rest is history!

<h1 class="pgc-h-arrow-right">5 . KNK member Park Seung Jun</h1>

Park Seung Jun isn't the only KNK member to train at Big Hit Entertainment. Park Seung Jun is also at BTS!

But BTS isn't his only famous group! He also trained with GOT7 for a while among the trainees under the JYP Entertainment umbrella.

<h1 class="pgc-h-arrow-right">6 . Members of the Boys Republic, Su Woong</h1>

Su Woong used to be a trainee at the company and even trained with BTS!

In The Unit, he sang BTS's Fire and explained his history with the group. He trained with them for about a year before leaving and debuting at Boys Republic.

<h1 class= "pgc-h-arrow-right" >7. Jo So-Jin, a former 9MUSES member</h1>

The former 9MUSES members are also one of the few female trainees at big hit entertainment companies.

When the company no longer accepted female trainees, she switched to the company and debuted at 9MUSES.

<h1 class="pgc-h-arrow-right">8 . ONF member Kim Min-seok (Laun</h1>).

When Laun first debuted, there were rumors that he had been a trainee at BTS, so it gathered a lot of attention. And according to an interview with him, these rumors are true!

Before joining WM Entertainment, Laun was preparing to debut at BTS. The above 8 K-Pop idols were once hot trainees.