Lee Mi Joo revealed her sister for the first time. 

On the July 6th episode of MBC's 'Hangout With You', the cast members visited Lee Mi Joo's hometown. Lee Mi Joo introduced her sister to the cast, saying she is a dental hygienist and 2 years older than her. 

When Lee Mi Joo's sister Lee Yoon Ji appeared, the cast members couldn't stop complimenting her for her natural beauty. While the Lee sisters showed off their sibling friendship, Yoo Jae Suk asked Lee Mi Joo what her sister meant to her. Lee Mi Joo commented, "We fought a lot as a kid but we became best friends once we became adults. She would send me long texts encouraging me when I'm not doing well. She's the best." 

Check out the snippet from the show above. 

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