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The program consists of 4 males and 4 females from global backgrounds spending 1 night, 2 days together in a vacation home, and observing how individuals of various ethnicities show and develop their romantic interests with one another. The show's MC cast will be watching the events from a studio, commentating on the couples' developments, and include Yang Se Hyung, Park Na Rae, Girls' Generation's Sunny, Eric Nam, and PRISTIN's Lim Na Young. 

While watching the global meeting participants and their first encounters, Yang Se Hyung asked the female MCs which male seemed most attractive at first sight. Lim Na Young said, "When simply looking at their visuals and physical proportions, I'd say Aydin." 

However, the MCs all reacted with surprise when Lim Na Young named the male participant from Iran, who displayed his overly energetic, 4-dimensional personality. It turns out, Lim Na Young had named the wrong person! She reacted by throwing her arms up and opening her armpits(?) for everyone to see, screaming at her own mistake!

The real person Lim Na Young wanted to name was Daniel, from the United Kingdom. Sunny defended her girl group hoobae Lim Na Young by explaining, "It's not that [Lim Na Young] hates Aydin, but she reacted like that our of apology, because she felt bad that she mixed up their names." The other two female MCs Sunny and Park Na Rae chose Zhang Yeok Moon from China. 

Check out Lim Na Young's hilarious reaction above, beginning at the ~0:45 mark!