Okami Wa Nemuranai - Chapter 54.13

She was a famous assassin who had killed important figures, but ironically, she was killed by her own lover.And when she thought she was dead, it turned out she was occupying the soul of a young girl who was tricked by her own family.'Because I have been reborn, I will take revenge on the people who planned my murder and also teach a lesson to the people who underestimated the girl whose soul I reside in!'However, things become complicated when she has to marry a cold man, whom she spent the night with.

Right after getting the first-class chef’s certificate and before that certificate had been in her hands long enough to warm up, she woke up. Not only did she age ten years, she also gained two children…

—

At this time, her new daughter, who had lost two of her front baby teeth and spoke with a lisp, pointed at the TV screen and called out, “Dad!”

On the screen, the Film Emperor Meng Yan was extremely handsome and charming. Towards the camera, his gaze was overflowing with gentle and tender feelings. He raised up the hand that was holding hands with captivatingly beautiful bride. She was wearing a diamond-beaded wedding dress. At the bottom of the TV screen, the headline news was displayed in large font – Meng Yan and the rising starlet’s wedding of the century.

T/N: The second part of the summary is misleading. This isn’t a novel where the transmigrated main character clings onto the film emperor’s thigh.

A story in which a woman, after learning that the world would end in ten days, sets out to finish one last thing: murder her ex-girlfriend.

However, she ends up befriending, and spending the world’s final days with, the little sister of her ex-girlfriend instead.

Transmigrating to the disciples of the Demon Sect, and relying on the skill modifier to become a giant of the Demon Dao.

[Detected the technique “Blood Nerve”, relying on devouring blood to practice]

[Side effects: easily affected by the spirit contained in the blood, becoming bloodthirsty, bloodthirsty, mad, and even brain dead]

[Please wait a moment, the system is being modified…]

[Ding! The modification is complete, and the side effects are cancelled]

- Description from novelbuddy