Who is X?

"What's it like to be paralyzed?"

　 Xie Xuning's deep, seductive voice resonated in the silent and still room. His voice contained no emotion at all. It was as if Xie Xingqing was just some ordinary prisoner sleeping in front of him.

　 Xie Xingqing's favorite sound used to be Xie Xuning's voice.

　 She was so obsessed with his voice that she recorded him speaking on different occasions, just so she could fall asleep to his charming voice.

　 She used to love him so deeply...

　　Now, she was utterly terrified of him.

He was utterly cruel and vicious, as he used his own unique ways to slowly tear away at her heart.

　　 She now feared him as deeply as she once loved him.

　　 His ways of killing left no blood, yet he managed to terrify her to the core.

　　 "Uncle, I was wrong."

　　 A teardrop escaped Xie Xingqing's eye.