Duel with Mutant Husband

Cheng Cheng, a graduate student in the Department of Biochemistry, picked up a ridiculously handsome man in the middle of the night. Later, he discovered that this man was actually Han Mu, a senior fellow in the Department of Biochemistry who disappeared suddenly two years ago. Han Mu was accidentally infected while conducting experiments and mutated. So after Han Mu moved into his home, Cheng Cheng only had one thing left to do every day: falling in love and killing mutants...