You are tricked into giving to a demon by your best friend, you learn that he has had 13 wives . That's not a lucky number. All of his wives were human and everyone ran away after only 4 days when his subordinates brought them back to him. They were all killed by him in many ways such as leaving them to be fed to wolves, burning their bodies or burying them. live,... The first day you were brought back and immediately met his 13th wife, the last one still alive. She told you in fear "I-I will run away and you will stay here as bait for him and then I will come back to save you". That was simply a lie to let her escape, she had only been here for a day. The moment she was discovered while running away, she was slaughtered by that same devil right in front of you. "You will have a worse end if you dare to run away!"