Pacify Horror (Boy Story x Reader)

(Y/n) and her twin sister Emilia got adopted when they are 6 years old cause there parents died in car accident. They are adopted by those two couples that managing funeral services and ritual to talk to the dead. (Y/n) is a normal girl, while there new parents knew that her twin sister Emilia has a mind of a child and Emilia loves to play dolls. When they both turn 11, while there parents are doing a ritual, they gone wrong and the darkness took over Emilia's body and soul. Emilia became possess in the darkness that can't control. Emilia killed there mother and Emilia attach her soul to (Y/n)'s soul that if they hurt Emilia (Y/n) will get hurt aswell, their father decided to leave Emilia in the house and move to another house with (Y/n). After 9 years, (Y/n) is now 20 years old. PAH or Paranormal Activity Helper decided to get (Y/n)'s twin sister and experiment her. They assigned the six boys to get Emilia which is Hanyu, Zihao, Xinlong, Zeyu, Mingrui and Shuyang. But (Y/n) volunteer that she is going to help the six boys to get her twin sister by burning the doll. (Y/n) don't want to say that if they burn those evil doll she will get hurt cause she wanted to stop Emilia from taking others lives.