Scary story

Story when it was child.
My mother was working and I was always spending the evening alone.
One day, When I came back from the school,It was dark in the house.
I felt person's sign.
I said,"mother?"
I heard a small voice from the second floor、”haai?”
I called my mother again.
Answer returned.
I had a feeling that oneself was invited to somebody.
I went to the second floor.
I called my mother again.
Answer came back from the back room.
I have slowly approached the room.
When I was going to open the door of the room、I heard a sound from the entrance."tadaima!!"
I descended the stairs and ran up to mother.
Then I looked at the back room .
The door of the back room slightly opened,I watched a strange thing for an instant.
I saw a white human face.
White face watched us with an extremely horrible face.....
I remembered fear momentarily at the time of having seen it.
The face did not appear from that time onward.