Tells the story of a college student named Eun Ha, who one day receives an anonymous love letter through a supernatural portal - the white hole!
Kim Hyun-jung (Korean: 김현정; born December 24, 1994), known professionally as Seola (Korean: 설아; stylized as SeolA), is a South Korean singer and actress, best known as a member of the South Korean girl group WJSN.