Single’s Inferno Season 4’s most talked-about couple, Yuk Jun-seo and Lee Si-an, left the show hand-in-hand, but fans are now dissecting whether their romance continues off-screen. While neither has confirmed a relationship, social media activity, public sightings, and reunion moments have sparked widespread speculation.
Their Journey on Single’s Inferno 4
Lee Si-an, a 25-year-old model and former K-pop trainee, became the season’s focal point as three men—Jun-seo, Kim Jeong-su, and Jang Theo—vied for her affection. Jun-seo, a 28-year-old visual artist and Sweet Home 2 actor, stood out with his reserved yet intense demeanor.
“I tried to decide who made me swoon the most. I followed my instincts.” — Lee Si-an reflecting on her final choice in an interview with Marie Claire .
Their relationship peaked during a Paradise date in Episode 7, where they became the first couple in the show’s history to share a bed, sparking heated discussions . Despite moments of tension, Si-an ultimately chose Jun-seo, citing his ability to evoke strong emotions .
Post-Show Hints Fuel Dating Rumors
Social Media Activity
After the February 11 finale, both shared Instagram tributes to their time on the show. Jun-seo posted a black-and-white photo of the pair hugging, tagging only Si-an despite including a group photo in the carousel . Si-an’s caption, “Last summer was like a midsummer night’s dream,” further fueled speculation .
“Jun-seo only posted Si-an—she’s his everything!” — Fan reaction on X .
Public Sightings
Unverified reports claim the pair were spotted at Jun-seo’s art exhibition in Seoul in December 2024, with Si-an holding flowers, and at a Thai restaurant in Hannam-dong .
Netflix Reunion Chemistry
During a cast reunion video, Si-an playfully brushed Jun-seo’s ear while rewatching their bed scene, prompting cheers from castmates. Fans noted their lingering tension .
Fan Reactions and Theories
The couple’s ambiguous social media posts and off-screen interactions have divided fans:
“They’re locked in! Real couple vibes!” — @halarodry on X .
“Why doesn’t Jun-seo follow Si-an back on Instagram? Maybe they split?” —A concerned viewer on TikTok .
While some argue their chemistry is undeniable, others question the lack of direct confirmation.
Current Status: What We Know
As of February 14, 2025, neither Jun-seo nor Si-an has publicly addressed their relationship. However, Si-an revealed in interviews that she remains in contact with all contestants, including Jun-seo, through group gatherings and promotions .
Netflix has not commented on the pair’s status, but the show’s producer noted the difficulty of maintaining relationships post-filming, given the show’s track record .
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Saikat Nandy is an entertainment news writer who covers the latest trends and stories from the world of showbiz, has a keen eye for spotting the most interesting and relevant topics, and delivers them to his audience with flair and humor. He is also a freelance blogger, content writer, and website designer who loves to explore new technologies and creative ideas.
