Lee Hye Ri Returns with the GL-Tinged High School Thriller "Friendly Rivalry"#dojeonmedia #dojeon #도전미디어 #도전 #friendlyrivalry #LeeHyeri #선의의경쟁 #ChungSuBin #bldrama #HighSchoolDrama #highschool #kdrama #koreandrama #pyramidgame #teenagegirls