Read The Blood of Madam Giselle hentai manga on hentaidexy.
summary for The Blood of Madam Giselle :
A rebellious spirit trapped in her marriage to a violent husband, Giselle leads a miserable life playing the role of a meek wife and lady. But one night, wandering her new home, Giselle discovers what seems to be a young boy trapped inside a cage. An inheritance from her husband’s eccentric father, the boy is considered a monster, an immortal “flower that feeds upon blood”. Despite her fear, Giselle begins to visit the boy nightly. Will these illicit meetings shatter life as she knows it?