The biggest question surrounding Single’s Inferno Season 5 right now has nothing to do with who picked whom on the island. It is about what happened after the cameras stopped rolling.
Speculation that Park Hee-sun and Lim Su-been are actually dating in real life has reached a fever pitch. The rumors, which started as small fan theories, have now turned into a full-blown conviction within the show’s fandom. The release of a surprise reunion teaser and a series of undeniable social media clues have led thousands of viewers to declare that the couple is not just endgame on screen, but together off screen as well.
Although neither Park Hee-sun nor Lim Su-been has made an official statement, the evidence piling up online has become very hard to ignore.
The Valentine’s Day Reunion Teaser That Started Everything
Netflix dropped the trailer for Single’s Inferno Reunion on February 11, 2026, and fans immediately put every second of footage under a microscope . The special is scheduled to premiere on February 14, 2026—Valentine’s Day—a detail that already felt intentional.
Unlike previous reunion specials that were simply filmed reaction videos uploaded to YouTube, this one is different. The upcoming special is a full-scale production where the cast returns to Paradise for one-on-one conversations, games, and meals . This is the first time in the franchise’s history that Netflix is streaming the reunion directly on its platform.
Within the 90-second trailer, viewers spotted Park Hee-sun and Lim Su-been sitting closely together, laughing naturally. The body language in the brief clip reignited the dating rumors that had been simmering since the finale aired on February 10, 2026 .
Watching the Finale Together: The Friend’s Instagram Story That Broke the Internet
The most concrete piece of evidence surfaced on February 10, 2026, immediately after the final two episodes dropped. A close friend of Lim Su-been uploaded an Instagram story showing the Single’s Inferno 5 finale playing on a television screen .
In the footage, Park Hee-sun was sitting right next to Lim Su-been, both dressed in comfortable home clothes. They were watching the episode together in what appeared to be a private residence, laughing and reacting to the scenes in real time .
The friend captioned the moment casually, but fans caught every detail. The way Park Hee-sun leaned in when a scene about Lim Su-been appeared. The way Lim Su-been smiled at her reaction. The domestic setting. The lack of other people around them.
For most viewers, this single clip was the confirmation they needed. Why would two people who are just co-stars watch the finale of their own dating show together, alone, at home, on the night it airs?
“Subeen friend posting subeen and Heesun watching the finale together, sitting closely guys they are dating”
— FTI (@Biubiuislove2) on X (formerly Twitter), February 10, 2026
The Jacket and Cap: Matching Clothes or Shared Wardrobe?
Before the watch party video emerged, fans had already flagged a clothing coincidence. In November 2025, several months after filming wrapped, Park Hee-sun posted a photo of herself wearing a gray hoodie and a baseball cap .
Fans quickly dug up footage of Lim Su-been wearing what appeared to be the exact same cap and hoodie during his time on Single’s Inferno 5 . Side-by-side comparison images circulated widely across X, Reddit, and Korean online communities.
Some skeptics argued that the cap had a strap at the back on Park Hee-sun while Lim Su-been’s did not, suggesting the items were similar but not identical . However, the majority of fans viewed this as a classic celebrity couple move—sharing clothes when they stay over at each other’s places.
“Heesun always wearing Subeen’s jacket was not on my bingo card at all😭”
— yaya (@sosecouple) on X, February 10, 2026
Going Private on Instagram: Hiding Something or Just Privacy?
Another behavioral pattern that fueled the dating rumors was the sudden shift in both contestants’ social media settings .
Lim Su-been made his Instagram account private right as Single’s Inferno 5 began airing. Park Hee-sun followed suit shortly before her Paradise date with Lim Su-been was shown in episode eight .
Fans speculated that the pair locked their accounts to prevent people from scrolling back and discovering posts that might reveal their relationship. The timing was too coincidental for many viewers. While some argued it was simply to avoid hate comments, the majority leaned toward the relationship theory.
The Elle Korea Photoshoot: Chemistry That Cannot Be Staged
On January 29, 2026, Elle Korea released a photoshoot featuring the entire Single’s Inferno 5 cast .
In the published images and behind-the-scenes clips, Park Hee-sun and Lim Su-been stood out. Park Hee-sun was photographed with his hands on Lim Su-been’s shoulders. His gaze toward her was consistent throughout the shoot. She smiled back without any stiffness .
Fans of the franchise noted that Elle Korea has a pattern. In previous seasons, the main couple who were still close after filming always ended up positioned in the center of these group photoshoots . In Season 3, Gwan-hee and Hye-seon held that spot. In Season 5, the center position clearly belonged to Park Hee-sun and Lim Su-been .
The Ring on His Finger: A Matching Couple Item?
During press content released after filming ended, viewers noticed something small but significant. Lim Su-been was spotted wearing a ring on his ring finger .
There was no prior history of him consistently wearing jewelry on that specific finger. The immediate assumption among fans was that the ring was a couple item—potentially a matching pair shared with Park Hee-sun .
While this remains speculation, the timing of when he started wearing it added another layer to the growing pile of clues.
The Exchange Student Rumor: Moving to Korea for Love?
Park Hee-sun is currently a student at Carnegie Mellon University in the United States .
According to reports circulating in Korean media and fan communities, Park Hee-sun has applied for an exchange program to Yonsei University or Seoul National University . If confirmed, this would mean she is planning to study in South Korea.
Fans immediately connected this to Lim Su-been, who is based in Korea. The theory is straightforward: Park Hee-sun is attempting to close the long-distance gap to be closer to him .
Neither university nor Park Hee-sun has officially confirmed this. But the rumor alone was enough to excite fans who are desperate for the couple to be real.
The Five Final Couples of Season 5
Single’s Inferno 5 concluded with five couples successfully leaving Inferno together . They are:
- Kim Min-ji and Song Seung-il
- Lim Su-been and Park Hee-sun
- Lee Joo-young and Kim Jae-jin
- Choi Mina Sue and Lee Sung-hoon
- Kim Go-eun and Woo Sung-min
Among these five pairs, Park Hee-sun and Lim Su-been are the ones facing the most intense public scrutiny regarding their current relationship status.
What Happens Next?
The Single’s Inferno Reunion special will stream globally on Netflix starting February 14, 2026 .
For viewers in the United States, the episode will be available at 12:00 AM PT and 3:00 AM ET. In the United Kingdom, it drops at 8:00 AM GMT. Viewers in Canada can watch at 3:00 AM ET / 12:00 AM PT. Australian fans can stream it at 7:00 PM AEDT. In India, the release time is 1:30 PM IST. The special will be available worldwide simultaneously on the platform.
This marks the first time the Single’s Inferno cast has gathered for an official reunion produced directly by Netflix. The production scale is larger than anything the franchise has done before .
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Fans expect the hosts—Hong Jin-kyung, Lee Da-hee, Kyuhyun, Hanhae, and Code Kunst—to directly ask the couples about their current relationships. Given the public pressure, it seems almost impossible for the topic of Park Hee-sun and Lim Su-been to be avoided.
No Official Statement Yet
Despite the overwhelming volume of clues, Park Hee-sun and Lim Su-been have remained completely silent. Neither has addressed the dating rumors directly.
Their social media accounts remain private. No interviews have been granted regarding their personal lives. No confirmation. No denial. Just silence.
For now, fans are marking their calendars for February 14. That is the day the reunion airs. And for many viewers, that is the day they expect to finally get the answer they have been waiting for.
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