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S01E01

A Big Sister I Know, Kang Dan-i

• 21:30 • tvN

• 2019-01-26

A Big Sister I Know, Kang Dan-i (S01E01) is the first episode of season one of "Romance is a Bo... More A Big Sister I Know, Kang Dan-i (S01E01) is the first episode of season one of "Romance is a Bonus Book" released on Sat Jan 26, 2019. Romance is a Bonus Book stars and .

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