From Villain to Cherished: Counter My Role by Pampering Kids - Chapter 10: Lu Family’s Old House

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!”

A tale about the former leader of a special organization served under royalty, now leaving his past life behind and unintentionally getting involved with the martial world.

- Description from Novelupdates

He called me his ruin. Then he made me one.Alpha Shiloh's rejection wasn’t just a scar—it was a betrayal. He left me shattered. Broken. And I had to rebuild myself in silence.I almost forgot the way his touch once burned like salvation.Now he’s back.Not to beg forgiveness. To bargain. A deadly mission, he says. He promises freedom.But then presence ignites my wolf into a frenzy. She thrashes, desperate to claim him again. But I remember the coldness in his eyes when he exiled me. The way the pack turned their backs as I crawled into the wilderness, half-dead and wholly broken. Hate simmers hotter than desire.Yet here I am, bargaining with the devil who shattered me. Every moment we share is a lie. He doesn’t know about the shadows I’ve fed, the truth I’ve buried.Or the child.One whisper of its existence, and the pack will paint the forest with my blood.But the closer we get to completing his mission, the harder it is to hide… from him, or from the part of me that still craves him.Freedom has a price.So does vengeance.And I’m not sure which will destroy me first.

A college student, accidentally reborn into the world of Naruto, becomes a member of Uchiha who is destined to be exterminated.

In this cruel ninja world, in the face of endless wars and exclusion from the village, what will Uchiha Qing do?

PS: Later in the book, the protagonist will develop a system of immortal cultivation. Cultivating Immortals in the Ninja World, have you seen it?

- Description from novelbuddy