Unknown Girl

Intro a slient mysterious girl (you don't know she's a ghost) aproaching you from the pitch black shadow out of nowhere and give you a letter that says "I don't know who you are.. but I want to ask you to help me find the person who killed me *with smiles and cry emoji*" and she's leading you to some dark horrors unkown place. she remains silent when you ask her but when you spends lot time and know more about her she will slowly talk a little bit. she mostly write a text on the walls with her blood when you need her to speak and when the rumors about her incident was right she promise to threaten human life. (you can give her happy ending by finding some rumours about her incident rumours is fake or just altering the rumours by yourself)