Fans thought they had it figured out.
But Kim Go Eun just revealed the real reason behind her final decision on Singles Inferno 5, and it’s something no one fully expected.
During a recent appearance on BIGBANG member Daesung’s YouTube show Zip Daesung, Kim Go Eun finally addressed the question that has followed her since the finale: why she didn’t choose Jo Igeon.
And her answer has now opened an entirely new wave of curiosity.

When asked directly about her final choice, Kim Go Eun didn’t hesitate to explain that the biggest factor was a “shared acquaintance.”
She revealed that this overlapping connection kept holding her back emotionally, even as her feelings for Jo Igeon grew stronger throughout the show.
“That was the biggest reason,” she said.
“Even when my feelings were growing, it felt like something kept putting on the brakes.”
The comment immediately shifted the narrative around their story.
What many fans had interpreted as hesitation or mixed feelings now seems tied to a very specific real-life factor.

As soon as the clip was released, online communities and viewers began speculating about the identity of this “shared acquaintance.”
Some fans questioned whether it could be someone from their past, while others even suggested it might be connected to previous relationships.
Comments quickly flooded in:
The mystery itself has now become one of the most talked-about topics among Singles Inferno 5 viewers.

Despite not choosing each other in the final episode, Kim Go Eun and Jo Igeon’s story didn’t fully close.
In the Singles Inferno reunion released in February, the two met again, cleared up misunderstandings, and even agreed to meet outside the show.
Jo Igeon suggested going to see a movie together, while Kim Go Eun responded that she wanted to spend more time talking, leading to plans for a more personal meeting.
That moment alone reignited interest in their relationship and sparked ongoing “real couple” rumors.

Singles Inferno has built its popularity on emotional realism, but moments like this blur the line even further between reality and what viewers see on screen.
Kim Go Eun’s explanation adds a layer of complexity that fans didn’t previously have access to.
It also explains why their chemistry felt unfinished rather than resolved.
With their continued interactions after the show and growing public curiosity, the question remains open:
Was this really the end of their story, or just the beginning outside the cameras?