C131 Steps to the underworld

I looked at the female student who ran away from us in shock. I turned my head to face the others and didn't understand why such a simple question was so taboo to the female student. I thought about it for a long time but still couldn't find anything wrong.

"Is there a problem with this building?" Han Yu said thoughtfully.

"What's wrong with a building?" Yun Duruo replied in confusion