The Devil Family

This house can only be entered by selected people.
One day, a girl named Rey was chosen to work in this house, she became acquainted with all the family members in the house.
But everyone there looked strange, all of them had faces that were still quite young, for their age, then they only show up at nine in the evening.
During the introduction ceremony, the child of the family appeared.
A tall young man, pale white skin, with a cold handsome face and a sad smile.
He ruined the introductory event by pulling Rey out of the event, he looked very panicked and angry.
He insisted on asking Rey to stay away from his family and seemed very worried about Rey.
As time goes by, Rey begins to experience many strange and horrific events in the house.
Creepy dreams accompanied by hallucinations that are not natural.
The residents of this house aren't the only things that are strange, mysterious events keep happening.
What is Rey really up to?
Who is this family really?
How will Hiro and Rey's relationship be next?