C211 Never-ending

Why did you frighten my sister?

When I heard her question, I thought for a moment. Then I said, in a deep voice, I didn't frighten your sister.

When she heard this, she frowned and asked, What the hell is going on?

I casually replied, "It was your sister who was curious and stole the Broken Bone left behind by my friend for me. However, she didn't know that it was a piece of human bone