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Chaerin or better known by her friends and family "Fire". Chaerin is married to Kwon Jiyong or as she likes to call him Shadow. But she has a secret of her own , She has tried to supress her powers but is unable to. Hence the name Fire , Her powers enable her to produce fire through her hands. 

She sences that Shadow is keeping something from her , but little dose she know what she wants to know could kill them all.

 Kwon Jiyong is a secret agent in the middle of solving a crime , He is sworn to secrecy against his will. He is told that if his family finds out about his job and his case his family will be killed or imprissoned.

He gets his nickname Shadow from being dark and mysterious with his feelings , he has a deep love for his daughter Yoonsuh and worrys her intelligence will get them in deep trouble. But like every guy he has a soft side for his family , but in his case it might just be one of his faults.

Yoonsuh is the only child of Chaerin and Jiyong , Yoonsuh is very intelligent and gets high grades In all her tests. She has the opposite power to her mother Ice. She hides them very well unless she is angry or upset.

Yoonsuh is very wise and in her own way distant from everyone else , She finds that her powers affect her friendships and relationships and trys to find a way to fix her self.

Yoohsuh ~ 14 

Chaerin ~ 23

Jiyong ~ 25