Rising star in globe just in the first few months 2025. Jun Seo is a former UDT/SEAL special forces member. Undoubtedly, he is super strong like a “beast” and made the headlines with his 2025 participation in Netflix’s hit dating show Single’s Inferno 4. His stoic yet charismatic personality, and impressive military background, also the artistic pursuits, Yuk Jun Seo has captured the audiences not just with his action-packed past but also his evolving role in entertainment industry. Instead, he already take part in Netflix’s Sweet Home 2 and Sweet Home 3 before the reality show. Nevertheless, the hit in Single’s Inferno 4 has been like a bomb, especially his relationship with lady contestant Lee Si-An.
Yuk Jun Seo Birthday | Born April 1, 1996 |
Place of birth | Seoul |
Height | 176cm |
Blood type | A |
Hobbies | Art & Painting, Playing the Piano, Fitness & Sports, Martial Arts & Combat Training, Collecting & Wearing Stylish Glasses, Loving Cats (Oh is it the reason of Sian?), Eating Chicken |
6dory | |
YouTube | @6dory_6dory |
Yuk Jun-seo & Lee Si-An: Reality TV’s Unexpected Pairing?
If you have watched and followed close enough, this reality show pair was unexpected. It all started by a simple conversation in Episode 4 of Single’s. Both of them just feel so right to each other: Easy to talk, similar personality and values, also the vibe. The interactions on Single’s Inferno 4 have caught the attention of fans.


To be honest, with Jun seo rugged yet artistic aura and Sian charming cat-like eyes and competitive spirit, the two were naturally became one of the season’s most talked-about pairs. Their chemistry speculation among viewers, with many wondering. As Sian were confusing about her feeling and it really make sense. Their connection just develop into something deeper beyond the show.
Despite Yuk Jun Seo usual reserved, he seemed to shown many rare moments of genuine emotion and interest. At the end, their dynamic just provided one of the season’s most intriguing relationships.
Yuk Jun-seo’s Journey: From Military Elite to Reality Star
Actually, Yuk Jun-seo led an intense career as a South Korean Navy UDT/SEAL operative far before stepping into the spotlight of reality TV. In 2014, he underwent special forces training and served in the elite naval unit before being discharged in 2019.

However, Yuk is more than just a military veteran. As a painter and digital artist, he has held exhibitions featuring his psychedelic and installation art. In the show, he has shared about it and his work has been displayed in major galleries.


I do really love this authentic couple!!
You two are just so real to yourself, and both of you deserve a better personal life
Just ignore those hater, and we will always support you two
just remind us to be a REAL ME. and you keep be the real beast 🙂