Her twin sister

Li FuJin's imagination ran wild, questions kept running on his mind thinking about her fake fiancé. 'Did he kiss you? Did he try to touch you? Did he sleep beside you?' 

He wanted to know the answers while the thirst to kill the man spread through his veins. Unfortunately, Li FuJin knew that YuYan cannot remember what happened before. 

Thinking about the possibility, Li FuJin wanted to ask Zhiyuan about it, but he doubt he would get an answer. He took a deep breath to calm his nerves. 

He carefully laid her down on the bed and pulled the quilt to cover YuYan's body. When Li FuJin was about to get out of bed, he noticed the blood stain on the sheets. 

Knowing she was hurt, Li FuJin can only sigh. He is expecting that YuYan won't be able to get out of bed the whole day after their intimate moments. 

Of course Li FuJin didn't want anyone, not even female elves, to see YuYan in bed. He went to take a bath to get something for her to eat once she wakes up.