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 aired every Monday and Tuesday from August 22, 2016 until October 18, 2016 on KBS2 at 22:00 (KST) for 18 episodes.
Relevant evidence: No