Secret World of Occultists - Chapter 57: Ritual Arts Fanatic

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled…. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.

Because her appearance was not breathtaking, the Emperor breaks off their engagement and bestows her instead to the bloodthirsty, ruthless, and cold-blooded Second Prince (Wang Ye).

On her wedding night comes endless humiliation, the genuine Princess Consort becoming a deserted women. A foolish woman before rebirth, she no longer expects his love. In this world, she must possess enough talent to awe those around her, carrying herself with composure and articulating with beautiful diction, override above the nine night.

- Description from Novelupdates

Adeline didn't expect she would transmigrate into the trashy novel she read years ago. The plot was so cliched that she couldn't bring herself to finish it. Years later, she found that very book on her bed, the page was open to the villainess' execution and before she knew it she found herself in the very novel she hated.The evil villainess who couldn't stand her two childhood friends become completely enamoured by the female lead, she decided to take care of the matter herself and thus became the public enemy.She now became the villainess of the story!“I do not accept this!” Adeline yelled at the top of her lungs. “I will change the plot.”The Crown Prince she rejected won't leave her alone. The cold Northern Duke clung to her and wouldn't let go. The Arch Mage wants to abandon his duties and serve as her personal knight, and the Head Priest is obsessed with her!The Male leads she wished to avoid won't leave her alone!