Rumours linking Seo to Kim Soo-hyun emerged following allegations of a past relationship between the actor and the late actress Kim Sae-ron.

Despite the ongoing scandal, Kim Soo Hyun's past performances remain beloved by his fans, and his future in the industry remains uncertain but still hopeful, depending on how the controversy unfolds.

Hoverlab, a South Korean news commentary site on YouTube, claimed that the actor and the late actress Kim Sae-ron had been in a six-year relationship since she was 15 years old.

The agency of Korean star Kim Soo-hyun admits the actor dated late actress Kim Sae-ron, but refutes claims their relationship started when she was a minor. Full story:

Kim Soo-hyun’s agency GoldMedalist admitted that he and the late actress Kim Sae-ron indeed dated, although it noted that the pair’s relationship started in 2019, when the latter was already a “legal adult.

Kim Sae Ron and Kim Soo Hyun have been in headlines for their alleged relationship when the actress Kim Sae Ron was a minor and the actor Kim Soo Hyun was 27 years old. These headlines started since the actress Kim Sae Ron was found dead at her residence on Kim Soo Hyun's birthday and the pictures of them circulating all over the internet.