My half-demon young master never talks about martial ethic

Story of: My half-demon young master never talks about martial ethic

[Funny] [Single heroine] [Hot-blooded] [Growth] [Family] [No system, not brainless] [The protagonist's personality slowly changes, don't get involved if you don't like it] A young man from China has two swords in his hands.One sword cuts off the soul!Kill evil with one sword!It’s just a bit wicked, but fortunately it’s not lacking much!With a half-demon body, he overcame thorns and thorns.Become the peerless demon king!It's just...you are a demon king, can you do something serious?The younger brother of the family: "Young Master! The plastic surgery monster next door is scolding you again!" The Young Master Feng Chime: "Forget it, I'm too lazy to scold you today. I have a day off." The younger brother: "Young Master! Ooooh, they're scolding you. Me!" Wind Chime:???"Declaration of war! Total war!" Heroes can be wronged!But you can't scold my little brother!