Angel's Coffin — You Higuri

Seto is a former god imprisoned by a demon, bound to bring misery and misfortune to whomever releases him from his prison. Marie is the daughter of an aristocratic, hopelessly in love with one far above her station. When she unwittingly breaks the seal binding Seto, he agrees to help her win her prince's heart...but can love overcome the dark fate that awaits her?