C605 Swallow Tail Butterfly
These luxury dorms have a little special sleeping time, and every two hours, you have to change to another room, and the excuse Xue Chao gives is that it's a waste to only sleep in one room, that's too much of a waste.
The first room in the middle of the night was filled with sand and some rocks. In order to prevent the students from getting cold in the middle of the night