I, the Demon God Protection Expert

I solemnly state that I am merely the strongest member of the human species in the Solar System, Earth, Animalia, Chordata, Mammalia, Primates, Hominidae, Homo, Homo sapiens, and, incidentally, a savior. I absolutely cannot be some kind of fearsome demon god, the flame of civilization's rebirth and destruction, nor could I possibly eat three hundred supernatural creatures a day and ten demon gods a month.

I sternly and furiously denounce these rumors about me!

Demon gods are very adorable creatures. I have devoted my entire life to protecting them. The claim that I eat demon gods to study them is utter nonsense!

Li Yun slammed his hand down on the table, his expression furious, as if this were nothing but a rumor, if you ignored the scalpel in his hand and the demon god's corpse on the table in front of him.

This is an apocalyptic tale about striving to protect all supernatural races and preserve the flame of civilization.