Actress Lim Soo Hyang revealed the behind-the-scenes story about her kiss scene with Cha Eun Woo.

Actresses Han Hye Jin, Park Ha Sun, and Lim Soo Hyang are set to return with the theatrical play 'Our Little Sister.' To promote the theatrical play, the three actresses will appear in the upcoming episode of the KBS2 entertainment program 'Problem Child In House,' which will be airing on October 18.

While recording the 'Problem Child In House,' Lim Soo Hyang garnered much attention by sharing one of the behind-the-scenes stories of her many notable kiss scenes. Lim Soo Hyang is well-known for her lovely and enchanting kissing scenes in various works, and the actress revealed that she had filmed one kiss scene for 6 hours.

She explained that she had filmed a kiss scene with Cha Eun Woo for the drama 'Gangnam Beauty.' She shared, "It was the first kiss scene in the drama. We filmed it from various angles to make it look aesthetically beautiful. The kiss scene filming took more than 6 hours over two separate days. When we saw the monitor, we could see that our lips were getting increasingly swollen."

She also shared the difficulties she had to face with Cha Eun Woo, who is one of the most handsome actors in the industry. She revealed that Cha Eun Woo is younger than she is, but they played characters who were the same age.

Meanwhile, the 'Problem Child In House' episode will air on October 18 at 8:30 PM KST.