Responses
Overlord. He is a villain who is not afraid to get his hands dirty.
try Bastard. the damn murderer won.t die no matter what :-/
Elfen Lied?
Dendrobates and Akumetsu perhaps?
Ladies and Gentlemen my fellow otakus please help me find a manga about a murderer or serial killer though please recommend one were the murderer doesn't die. something where you want the villain to live and kill everyone eeeeeee!
Example:Dexter(though it's a t.v show)