On the evening of March 10, a Korean media channel livestreamed an exclusive news on YouTube with the title: "Kim Soo Hyun related to the passing of Kim Sae Ron (a 6-year relationship since Kim Sae Ron was 15-year-old)".
In the report, the reporter had an exclusive interview with Kim Sae Ron's relatives. They confirmed that the actor started dating Kim Soo Hyun when he was 15 years old, Kim Soo Hyun was 27 years old at the time. The relationship between the two lasted 6 years (until 2021).
In addition to the interview, the reporter cited additional evidence discussed on social media when Kim Sae Ron passed away. She passed away at her home on February 16, 2025, and February 16 is also Kim Soo Hyun's birthday.
Kim Soo Hyun and Kim Sae Ron previously worked at the same management company Gold Medalist. But after the "alcoholic driving" scandal, she terminated her contract with the company at the end of 2022 and had to temporarily suspend operations.
Last March, Kim Sae Ron suddenly posted a photo of her intimate cheek-ching with Kim Soo Hyun on her personal page.
The image was deleted immediately, but it quickly spread on social media and caused controversy. Many viewers suspected that the two were in love.

Kim Sae Ron did not say anything more, but just 1 day later, Gold Medalist spoke up to say that Kim Soo Hyun and Kim Sae Ron did not have a relationship.
The photo was taken a long time ago, possibly during the time when the two were still managing the same company. Kim Soo Hyun's side did not clearly understand Kim Sae Ron's intentions when posting this photo.
At that time, Kim Sae Ron was criticized by Kim Soo Hyun fans, saying that she intentionally "reported" to her senior because the movie "Queen of Tears" was causing a fever.
However, when Kim Sae Ron passed away on Kim Soo Hyun's birthday. The suspicion that the two had dated was discussed again.
The reporter in the livestream added that after being involved in a drunk driving incident, Kim Sae Ron left the company and the company paid 700 million won in compensation.
She promised to repay the money, but due to financial difficulties, she could not repay the debt to the company. Kim Sae Ron tried to contact Kim Soo Hyun for help but was never responded to.
According to speculation, feeling betrayed by the person he once loved could be the reason Kim Sae Ron chose to leave on Kim Soo Hyun's birthday.
Currently, Kim Soo Hyun's side has not responded to this news.