C51 51 the beginning of the ghost 2

"But one night, when I woke up in the middle of the night and realized that Yuli wasn't in my room, I woke up in confusion. At the same time, I seemed to have heard something from the living room downstairs. I curiously walked down the stairs. When I went downstairs, I saw Yuli wandering around the living room with her eyes closed. That was how the bruises on her body came about