Shinwa Densetsu no Eiyuu no Isekaitan - Volume 8, Chapter 4 – News from the Wind, Part 1

"An accident. She's pregnant. How unlucky. She got pregnant in one shot!

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

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