MTL - Space Speed Xing Hen - Chapter 187 Heart of the devil (on)

She fought in the Battle of Changping and witnessed the killing of hundreds of thousands. She once led the Qin Iron Calvary and battled against the Six Kingdoms. She has seen a third of the land and witnessed the breaking of mountains and rivers. The sound of a grand zither and the light of a great female emperor. A prosperous world that was forged on the battlefield. Yet, these two thousand years are forgotten from history.

- Description from Novelupdates

After Xia Feng transmigrated, his heart was mysteriously removed.In its place, a defective demon heart capable of sustaining life only for eighteen years was implanted.This is a magical heart that can sync with the power level of its target.To stay alive, he bound himself to the ultimate villain of the future, a Destructive Witch who was destined to destroy the world.The stronger the Destructive Witch becomes, the stronger he becomes!Thus, Xia Feng realized, it's not my fault for stirring up trouble: “Miss Witch, I admit you're strong, but not strong enough!”

I became the Heavenly Demon’s dog.

With her superb skills, Tang Ming has countless peach blossoms from small to large.

There is a President willing to contract fish ponds for her.

There are also overbearing male masters who are willing to make a fortune for her.

School grass keeps his body like jade for her, infatuated male leads are countless.

There are countless peach blossom debts, and the whole body is written with slag from top to bottom.

Until she encountered the system.

From then on, the road to ending slag, is getting farther and farther away…….

*School grass means the hottest guy in school.

- Description from Novelupdates