C119 What did nikki do wrong?

Just as he was about to open the door, he suddenly heard Nanqi scream, "Ah, no!"

I was holding my breath, not even daring to breathe.

Nikki's scream cut through the dark night.

A buzz went through my head. Before I could think about what had happened, I instinctively stretched out my hand to open the door.

"Cousin." Just as I was about to push, I heard Nikki's voice again.

I was stunned