In order to save money, Cheng Zhen shared a house with three weirdos:
A Doctor of Taoism who transformed his balcony into an "alchemy room" (often complained by his neighbors due to excessive sulfide content)
A master of entomology who keeps "vital poison" in his bedroom (delivery is always live insect eggs)
A senior student from the Department of Archeology who put up a "Yin Gathering Formation" in the bathroom (claimed to be raising corpses for embalming experiments)