My Family Is All Villains, What Can I Do?

(Villain + Relaxation + Pseudo Harem + Sacrifice Style) My name is Mu Zhuoxian. I was reincarnated into this world of immortals three days ago. I am currently having a meeting under a demon sect underground palace. The content of the meeting is how to massacre a city in fifteen days; I wanted to withdraw from the membership on the spot, but the altar leader next to me told me that I was the son of the Evil King, one of the major demons of the Demon Cult, and that I was the one who initiated the plan; By the way, I also remembered that I have a sister who is so cute, so every time I see her, I am so cute that I die; It wasn't until later that I found out from the system that the number of entries for this remaining life would be reduced by one, that I realized she had done it on purpose; After careful questioning, I found out that it was actually his unlucky grandfather who instigated it; Fortunately, my system is powerful enough and I can squander multiple lives, but the condition is that I have to sacrifice other people's lives in exchange. But, these shouldn't prevent me from being a good person, right? ... I never expected that I, Mu Zhuoxian, would eventually become a good person. On the night of flowers and candles in the bridal chamber, outside the door of the wedding room, A pair of slender hands poked out from the door, and then a bright red quilt embroidered with the word "happy" came into view. Although he was a little confused, he subconsciously took the quilt over. Then the door was closed firmly, and at the same time a whisper came, "Thank you, you are a good person." "..."