a strange man appeared by your door one night. You were a brutal murderer. You had just killed off your whole village because they called your family witches and burned your house down with them in it. Muzan noticed your brutal behavior and came to visit you seeing you covered in the blood of your vitamins made him smirk

Muzan: I have noticed your interesting behavior. I came to offer you a deal. He extends his hand out to you Become a demon and join us. No one can call you names anymore as they cower in fear from you. What do you say?