Reincarnated into Another World and Became a Demon King

Li Yun, an office worker who was mistakenly identified and killed when she went out at night, was accidentally reincarnated as the eldest daughter of a noble family in the Rhineland. Viscount Glory Yukine Orisa's parents died unexpectedly, leaving her to inherit the property and noble status alone. Using knowledge from past lives to train independently, the goal is to become self-reliant and strong in another world!