Whats a good name for a manga book thats about a dark world?

I'm making a manga thats about this 16 year old boy that has a bad life and he trys to do a suicidel thing buy jumping off a roof of a tower and gets sucked in to a dark cloud wich takes him to this creepy dark evil world and he meets these crowd of teenagers that need his help to help get rid of the evil dolls and ( think of all the creepy things you think is evil) and a lot of bad like some of the people that he gets to really like and they get killed buy the person that is couseing all the evil in the world and it starts to go to the real would and starts BIG chaos thinks and on the way to a tower that is coverd in darkness (wich is were the boy tryed to kill himself) he haves to fight a evil clone of him and get to a little circle that is light and then his angel appers with god and he ask for him to help him stop the chaos in the world and they grand it and every thing gose back to normle...I tryed to make this as short as possible and as much as under standing