Bizenghast manga volume 4

In the dark, hidden corners of the Mausoleum, Dinah begins to understand the true nature of Vincent's sacrifice for her. But she must confront her innermost emotions if she plans on setting free the spirits that have been locked away. As time quickly disappears in the sleepy town of Bizenghast, the riddles become more complex and intricate - and their answers may be in the choice Dinah is forced to make between the lost souls and her closest friend...