f(x)’s Krystal has been cast in the MBC sitcom More Charming by the Day.

Krystal will star a high school student who comes to Seoul over break to attend a hakwon (academic institution for extra studies).
Her character is a cute liar who borrows money from others by acting like a person from a foreign country who speaks very little Korean and tricks people into thinking that she really wants to go to medical school.
Krystal’s first episode will air on July 6, 2010.