Brian Joo teases Seo In Young about past relationship

Singer Brian Joo caused a stir with remarks that playfully alluded to Seo In Young's past dating history. While he did not reveal a full name, his partial mention of a former partner prompted Seo In Young to immediately retort, "I'll kill you, seriously," drawing bursts of laughter from those present.

On the 23rd, a video was released on the YouTube channel 'Seo In Young's Redemption,' featuring various look-alikes to celebrate Seo In Young's birthday. A prize of 1,000,000 won was at stake for the top look-alike, and the atmosphere heated up when a participant appeared dressed as Crown J, who once played a virtual husband with Seo In Young on Munhwa Broadcasting Corporation's "We Got Married."

The moment occurred when Brian Joo made a single comment. Upon seeing the participant dressed as Crown J, Brian Joo said, "Was it Crown J? I thought it was ex-boyfriend KOO."

As his remark seemed to imply knowledge of Seo In Young's past dating history, the scene turned into a sea of laughter, and Seo In Young responded by shouting, "I'll kill you, seriously."

Brian Joo did not stop there. After saying, "He is far away now, but he used to be close, close," he sang the hit song "Close" by the co-ed group S#arp, triggering another round of laughter. Although he did not reveal a full name, Brian Joo's unexpected remark effectively brought up Seo In Young's past romance once again.

In the past, Seo In Young garnered significant attention for appearing as a virtual couple with Crown J on "We Got Married." Since she has always spoken candidly and fearlessly about her dating life and personal affairs, she appeared to be caught off guard by the mischievous joke from her close colleague. Brian Joo's short comment spiraled into an unexpected "romance recall," invoking past names and even songs.