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The top national matchmaking service DUO conducted a survey among those in their 20s-30s from September 16-30, calculating a total of 617 votes (male: 295, female: 322) and asking which star has the best opposite charms.

For the male star category, actor Yoo Yun Suk came in 1st place (40.3%), singer Sung Si Kyung came in 2nd (23.1%), and singer-turned-actor Seo In Guk came in 3rd (14.6%). For the female star category, Girl's Day's Hyeri came in 1st place (32.9%), actress Honey Lee came in 2nd (22%), and singer Hong Jin Young came in 3rd (19.7%).

DUO's promotional director Kim Seung Ho commented, "One can tell by the popularity of the celebrities on TV recently that there is a trend of single men and women who possess an unpredictable, charming personality and an unexpected image, gaining popularity."

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