Question: Love in the Moonlight starred what South Korean actor who is the leader and vocalist of the South Korean boy group B1A4 under WM Entertainment?
Sentence (from "Love in the Moonlight"): It is a coming-of-age story and youth romance set during 19th-century Joseon Dynasty based on the novel "" which was first serialized on Naver in 2013 and consequently published as a five-part series of books in 2015.
Relevant evidence: No