Characters 

 KRYSTAL

- age 149 years old but look like 18 years old 

- sister so seohyun 

- princess of the kingdom

- hate sulli 

SEHUN

- 200 years old but look like 19 years old 

- brother of luhan 

- betrayed krystal and went out with sulli behind her back 

SEOHYUN

- 180 years old but look like 20

- sister of seohyun 

- hated sulli and sehun for making krystal miserable 

- princess of the kingdom 

LUHAN

- 250 years old but look like 23 years old 

- brother of sehun

- hated sulli

SuLLi

- 50 years old 

- betrayed krystal and went out with sehun 

- hated krystal 

- hated f(x) 

F(X)

- friend with krystal 

- hated sulli