The chalice of nightmares

Yn is the step sister of bangpink and Heeseung as lover yn biological mother abandoned her after the death of yn biological father and yn's mother sent yn to india to her grandparents house and after yn's mother abandoned her she adopted another girl. And yn and Heeseung both comes from royal family background and mafia family background. And yn and Heeseung both are mafia queen and mafia king along with enhypen and Ive . And they are also childhood bestfriends or mafia teammates along with yn and Heeseung . And lastly yn and Heeseung along with enhypen and Ive have supernatural powers.