The artist talked about his celebrity sibling on the July 28 airing of 'Cultwo Show'. To a listener's report about how she once saw Jaejin at a game room with his sister, he responded, "I play games with my sister often."
Jaejin then added, "Currently, she is promoting as an actress. It hasn't been long since she started promoting as actress Lee Chae Won."
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It turns out, Jaejin's sister made her actress debut on drama 'On Air' back in 2008. She has also appeared on fashion program 'Style Wave', web drama 'Mr. Park on Vacation', and more.
Do you recognize Jaejin's actress sister?