Kang So Yeon flaunts her friendship with fellow "Physical: 100 Season 2 - Underground" cast member Hong Beom Seok.

Despite her early exit from the Netflix reality show, the 35-year-old beauty showed her full support for Beom Seok, who is still competing for the second season.

'Physical: 100 Season 2 - Underground' Cast Kang So Yeon Congratulates Hong Beom Seok for the Pre-Quest

In an Instagram post, the reality star said that she experienced firefighter training under Hong Beom Seok, who is a retired firefighter.

Moreover, Kang So Yeon also invited her followers to watch her vlog featuring her special guest.

"Thank you to Beom Seok and Yongin firefighters who cooperated with the shooting! "

In addition, she also congratulated her fellow "Physical: 100 Season 2 - Underground" contestant for winning first place in the pre-quest.

Kang So Yeon Fails to Win at 'Physical: 100 Season 2 - Underground'

Some of the participants at "Physical: 100 Season 2 - Underground" were surprised upon seeing Kang So Yeon enter the room.

Wearing a black dress and heels, she greeted her fellow contenders with a smile. However, some looked down on her and joked that she might be in the wrong competition.

Before joining the survival reality show, she participated in another Netflix TV show.

Kang So Yeon is among the cast of "Singgle's Inferno" season 1, a South Korean reality dating show.

During the airing of the show, viewers and even her fellow participants noticed her amazing physique and toned body. That is because she is heavily into sports and is the CEO of a boxing gym.

Meanwhile, on her journey in "Physical: 100 Season 2 - Underground," she failed to join quest 2 after losing in the one-on-one deathmatch.

Was Kang So Yeon Treated 'Poorly' on 'Physical: 100 Season 2 - Underground'?

The reality star is among the familiar faces who entered the show's second season, and because of this, some didn't take her seriously since she is best known for her stint in "Single's Inferno" season 1.

Due to this, Reddit users pointed out that they "felt bad" for Kang So Yeon when she walked in.

Some even mentioned "Single's Inferno" season 1 alum Cha Hyun Seung, who also joined ""Physical: 100 Season 1."

However, unlike Kang So Yeon, Cha Hyun Seung was able to redeem himself after winning the one-on-one deathmatch.

Other than her performance, viewers also noticed the change in her appearance.

While some speculate that she might have gone under the knife, others suggest that it might just be weight gain.

Where to Watch 'Physical: 100' Season 2?

The survival reality show made its debut on March 19, airing its first 4 episodes.

As for the next 5 episodes, viewers get to watch exclusively on Netflix every Wednesday.

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Written by Geca Wills