[Herald POP=Reporter Park Seo-hyun] 'Singles', the only local magazine in Korea for confident singles, has released a couple pictorial of Lee Hye-ri and Jung Soo-bin, who are expected to have a fierce college entrance exam competition in the drama 'Friendly Competition' produced by STUDIO X+U. 'Friendly Competition', based on the popular webtoon of the same name, is a drama about a fierce college entrance exam competition in Korea....