The Infinity Challenge special, Duet Song Festival on 11th July was a huge success, with seven groups of singers serving up a real treat with their respective songs. But an unexpected surprise was the rise in popularity of a backup dancer, Ji Yul from a group called IDMyo, and had appeared during MyungCaDrive's (Park Myung Soo, Jessica) performance of their song, Naengmyun (Cold noodles). After the broadcast, many netizens commented, "the backup dancer seems to be prettier than Jessica", "Was this a humilation of Jessica", as Ji Yul swiftly became an instant internet star overnight with many favourable comments. With more and more netizens getting interested, many search terms like "Ji Yul" ,"IDmyo", "Naengmyun", "Infinity Challenge backup dancer" surfaced and were all in the top 10 positions. More than 70,000 visits to Ji Yul's Cyworld minihompy were also registered overnight. credit: smint134 At the time of writing on 16th July, more than 300,000 people have visited Ji Yul's Cyworld minihompy. To satisfy netizens' interest in her, reporters paid a visit to her group's dance studio recently to get to know Ji Yul even better. The 21 year old, Ji Yul, who had minimal makeup on her, had gotten into the dance group, IDMyo, 6 months ago after an audition and is now dancing to her heart's content while on her summer vacation. Not only is she good in dancing, Ji Yul also excels in her Japanese language major at a local university, and has also received a scholarship for her good grades. Always humble during the interview, we look forward to seeing more of her in future. Ji Yul also appeared during Rani's performance on the 17th July episode of Music Bank.