f(x)'s Krystal will reportedly make a special appearance in upcoming SBS drama 'The Legend of the Blue Sea'!

An insider exclusively shared the news to Xports News, stating that Krystal will be visiting the set to film her cameo portion soon. Krystal has worked with Lee Min Ho in the past through drama 'Heirs'.

Catch 'The Legend of the Blue Sea' when it premieres November 16!