Satsuriku no Tenshi

Synopsis

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.<br><br> A strange bond is struck between them, strengthened by strange, crazy promises…<br><br> 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…