C401 Soul-summoning Bottles

At this moment, Yu Wuchao subconsciously said, "No, it doesn't seem right. That cough sounds like it can only be made by a very old person. But there are no old people in our dormitory. This...!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

Halfway through his words, Yu Wuchao seemed to have thought of something