Monochrome myst manga

Monochrome Myst summary:

Angelica North has lost her parents in a fire accident. She harshly blames herself for their deaths, and this has driven her to darkness. Sylph Rave is an 'occult writer' that is rumored to see ghosts. These two strange, rumored characters are driven by fate to meet. How will Sylph help Angelica? What other mysterious things haunt our troubled heroine?