A 5000-year-old vegan dragon was living peacefully when one day a young girl showed up in his cave. She offered herself as a sacrifice in order to gain favor for her village. He played along as the great "Evil Dragon, the Demon Lord's Army Leader" in order to get rid of her. However, his little white lie awoke her hidden powers and his peaceful life suddenly ended.

The Hero has defeated the Demon King, but the Princess he meant to save turned out to be a Prince. NEETdom, here he comes, but a life of relaxation surrounded by anime is a pretty sweet deal. Unfortunately, he gets caught up in millennia old legends, curses, and a twisted plot involving multiple Kingdoms and many dragons. Through and through, though, he'll follow a path of whimsy, even if that involves him palling it up with "villains".

Nie Feng has a body of true yang, but he came from an ordinary background, has a rough fate, was repeatedly oppressed and calculated, and finally embarked on the road of confronting the eight major sects alone. Unexpectedly, Nie Feng did not die because of this, but was reborn back to his boyhood at the age of seventeen. In this life, although he was from an ordinary background, he possessed peerless martial arts and rose rapidly in the martial arts. The regrets of the previous life will be made up. All enemies will be buried.