C43 Little Chilli That will Not Die

The oil on the stairs was obviously man-made, and someone should have followed me while I was on the pipe. Numbers 1 and 2 both had people, and only Sun Ningning had completely disappeared from my field of vision. If I guessed correctly, this oil should have been made by Sun Ningning.

He rubbed the oil on his nose and smelled it. It tasted like soy oil for cooking, but it was a bit strange