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On August 18, YG Entertainment told media outlets, "It's true that Lee Sung Kyung and Nam Joo Hyuk have decided to break up." The label relayed that the two grew distant due to their busy schedules, and will remain close sunbae-hoobaes. 

Lee Sung Kyung and Nam Joo Hyuk previously worked in dramas 'Cheese in the Trap' and 'Weightlifting Fairy Kim Bok Joo', after which they became a public couple in April of this year.