Question: Which member of the group F(x) has also participated in various television dramas such as "The Heirs" (2013), "My Lovely Girl" (2014), and "The Bride of Habaek" (2017)?
Sentence (from "F(x) (band)"): It was originally a five-piece group (with Sulli, who later departed from the group in August 2015).
Relevant evidence: No