After the sudden death of her parents, a young woman named Shiori Kanzaki find a picture of a man that she believes to be her grandfather, and travels to Azaka Village, where he was apparently from, in hopes of meeting him. However, when she arrives she instead finds that the tiny village has a museum that she realizes she lived in as a young girl. There she meets Sakuma, a middle school girl who tends to get herself in trouble, and Suga, the strange manager of the museum who only communicates in written memos. Suga grudgingly allows her to stay at the museum for awhile and research her family. But there is a legend in the village of "Kotori Obake", a demon woman who abducts children who go into the nearby forest. How is this story connected to Shiori's past, and why does she hear voices calling her, commanding her to "Come fulfill the promise"? Adapted from the game of the same name.

13-year old Rachel awakens to find herself trapped in the basement of an abandoned building. Without any memories, or even a clue as to where she could be, she wanders the building, lost and dizzy. In her search, she comes across a man covered in bandages. He introduces himself as Zack and he wields a grim-reaper like sickle. A strange bond is struck between them, strengthened by strange, crazy promises… These two, trapped in this strange building, don't know why fate has placed them there. But they will work together desperately to find a way out…

*Satsuriku no Tenshi prequel* As a prison counselor, Daniel Dickens is no stranger to odd encounters with inmates. But when a particularly aggressive prisoner enters his office claiming that his session with a priest left him "fulfilled," Danny, who has led an unsatisfying life, has to know more. During their meeting, Danny finds there's little he can hide from this mysterious clergyman, and when an offer comes his way, he'll have to make a decision that will change his life forever…