Guizu De Yinmi Youxi

While fleeing from mercenaries, Linde ends up in a seemingly abandoned ancient castle. However, she soon finds herself face-to-face with vampires. To make matters worse, the vampire king who killed her father is not only obsessed with playing twisted, intimate games, but he also believes she is his fiancée. After surviving life-or-death situations and captivity, her determination to avenge her father’s death keeps her alive and somehow lands her in a private room within the castle. But is this newfound "freedom" truly freedom? (Source: Webnovel)