sleep together

Vianna waved his hands carelessly and said, "Don't worry, there are no evil spirits. A bunch of bad guys will scare me."
"Sister, sister!" A little girl came over suddenly, "Sister, have you seen my ball?"
"Ah? Who is it?"Vianna turned her head.
Suddenly, I found a little girl with braids standing there pitifully, looking at Vianna.
Vianna was stunned for a moment, then looked around and said, "Why are you here playing with a ball? What if you fall down here in the middle of the night?"
"But...