... Jung sisters. The two of them, Jung Sooyeon and Jung Soojeong or as they prefered others to call them, Jessica Jung and Krystal Jung. They were sisters, of course. Jessica Jung, 25, is the older sister and Krystal Jung, 20, is the youngest. The two of them lived together in a small apartment their parents left for them -it was the only place they called home. Both of their parents were killed in an accident almost a decade ago, when Jessica w