On July 6 episode of E Channel's television show 'Sporty Sisters', Seo Ji-yeon made a guest appearance.
![Seo Ji-yeon](https://img.sbs.co.kr/newimg/news/20210707/201568667_700.jpg)
Then, former professional golfer Park Se-ri commented, "Don't you guys know? She's a family of a member of the hottest K-pop group right now."
When asked who that was, Park Se-ri said, "It's RM of BTS. They look really alike, don't they?"
![Seo Ji-yeon](https://img.sbs.co.kr/newimg/news/20210707/201568666_700.jpg)
She continued, "We don't see each other often though. We only tend to see each other during holidays when our families gather together."
![Seo Ji-yeon](https://img.sbs.co.kr/newimg/news/20210707/201568665_700.jpg)
She also revealed photos of some signed BTS albums that she had received from RM.
Over one of the albums, RM wrote, "To Seo Ji-yeon, how are you doing, Ji-yeon? I hope you stay healthy and happy even after you start high school. I believe in you! From RM."
![Seo Ji-yeon](https://img.sbs.co.kr/newimg/news/20210707/201568669_700.jpg)
(SBS Star)