If you're looking for manga similar to Village of the Siren, you might like these titles.
A little boy fears the world around him, and finds safety only when he is completely hidden under the covers of his futon. To him, a futon is a kekkai (spirit barrier) which can protect him from evil.
A rash of suicides has plagued a town, including an attempt by one man's wife Erika. Though he ran across her in time to save her, she awakens in the hospital recite 'something strange is going to happen in this town' - a phrase written in each suicide note left behind. Soon after, hundreds of people mysteriously vanished. What is happening to the townsfolk?