Kim Hyung-mook, Undercover Miss Hong Concludes

Ha Yoon-kyung received critical acclaim from viewers for her role as Go Bok-hee in the tvN drama 'Undercover Miss Hong,' showcasing a presence comparable to that of Park Shin-hye. The drama, which combined an investigation into slush funds with a period piece, garnered praise from its premiere, with the actors' unique performances cited as a key factor in its popularity.

Ha Yoon-kyung charmingly portrayed the complex character Go Bok-hee with intelligent pacing, making even the character's flaws appealing. In an interview, she explained her reason for choosing the project, stating, "The script was fun, and I thought there was a lot I could show as an actress through the multi-dimensional character of Go Bok-hee." She added that looking forward to working with Park Shin-hye was also one of the reasons for her participation.

Her chemistry with Park Shin-hye shone on set as well. Ha Yoon-kyung said, "Park Shin-hye and I clicked so well that filming always finished quickly. We had great chemistry, like people who had worked together for years." She also mentioned learning a lot from Park Shin-hye's gentle charisma and leadership, expressing her aspiration, "​I want to become a senior who can lead junior actors."

She was also meticulous in her historical accuracy for the period set in 1997. Ha Yoon-kyung perfectly recreated the late 1990s sentiment through Go Bok-hee's styling. She added to the character's charm while capturing the retro vibe with seagull eyebrows, bold lipstick, and colorful patterned scarves. She explained the effort put into styling, saying, "​I wore fashion that's trendy these days, but if I dressed too much like today, it wouldn't feel like the past."

Ha Yoon-kyung revealed that she pondered how to express Go Bok-hee's 'capitalist smile,' considering how to freely smile and stop as if a button were being pressed. She added that she strived to show Go Bok-hee's true self through her ability to perfectly change her demeanor and tone at work, and in scenes where she became emotional when left alone.