Into the world of Yami no Matsuei

Mia Tsuzuki, a highschool student who has been abuse by humans ever since she was little. Now living by herself and with her only few friends,she stumble on a book where she's been writing her imaginary adventures. To her surprised, the title of it change into:"YAMI NO MATSUEI". Suddenly the book pulled her inside where she will meet the shinigamis that will change her life forever.