Yoo Seung-ho and Lee Se-ju End 6-Year Relationship

South Korean actors Yoo Seung-ho and Lee Se-ju have officially confirmed that they have ended their relationship. The couple, who were reported to have been together for six years, are now moving forward as professional colleagues, according to statements released by their respective agencies on October 8, 2026.

What happened?

The announcement followed widespread media reports regarding the couple's private relationship. Initially, the agency representing Yoo Seung-ho, 333, stated they were verifying the claims. Following internal checks, both agencies confirmed the split. They stated that while the two were involved in a long-term relationship, they have recently ended it and maintain a positive relationship as coworkers.

Why this is trending in Thailand

The news is trending in Thailand due to the high popularity of South Korean entertainment and drama series among local viewers. Many fans were surprised to learn of the six-year relationship, as the actors had largely kept their private lives away from the public eye.

How did they meet?

Yoo Seung-ho and Lee Se-ju developed a close connection while filming the tvN drama series Memorist, which aired in March 2020. In the series, Yoo Seung-ho portrayed the lead character Dong Baek, while Lee Se-ju played Kang Ji-eun. Their mutual interest in acting reportedly helped them build a relationship that lasted for six years before their recent separation.

What is confirmed and what is not

It is confirmed that both agencies have acknowledged the six-year relationship and the subsequent breakup. The exact date the couple decided to part ways was not disclosed, with agencies only stating it occurred recently. Details regarding their future professional projects together have not been confirmed at this time.