sentences:  Before entering the entertainment industry, he studied at Tongwon College, majoring in e-Business.Ju had various bit parts in television dramas, but it was in 2006's romantic comedy "Princess Hours", based on the manhwa "Goong", that he achieved breakthrough.The drama was a hit domestically with a peak rating of 28.3%, and internationally across Asia, catapulting Ju into Korean Wave stardom.