The Simple Life of Killing Demons - Chapter 18Book 10:

Gripes have their origins and debts have their creditors. We haven’t crossed each other in days past or present, nor formed any grudges. I am but duty-bound to carry this out, so apologies in advance!

In his past life, Yang Chen was a gentle person who was oppressed for his whole life.

Now that he’s reborn, he chose to become an executioner and severs ties and grudges with his executioner’s blade, killing all that climb onto the Immortal Executioner’s Platform!

Heads will roll! Humans’ in the human realm, demons’ in the demon realm, devils’ in the devil realm and immortals’ in the immortal realm!

- Description from novelupdates

Lu Heng traversed to a parallel world and acquired the Celestial Destiny System, launching online live streams.A certain platform's outdoor streamer: “Could you help name my unborn child?”“My friend, you're wearing a green hat. The child has another father!”“Master, I have a goddess with whom I've had an online relationship for three years. How is this romance going to turn out?”“Your goddess is actually the old woman next door!”

【First Simulation: You are transported to a world of cultivation】【You become a refugee fleeing famine. During your journey, you save an abandoned baby girl and become her elder brother】【You rely on each other, becoming each other’s support】【At the end of the simulation, you shield the now-grown girl with your life, sacrificing yourself to block numerous demonic cultivators. You die, and the light in the girl’s eyes fades】…【Second Simulation: You are transported to a world where steam and magic coexist】【You immerse yourself in the study of magic, obsessed with its research. One day, while out, you encounter a half-blooded demon girl wandering the streets. You take her in as your student】【You teach the demoness what it means to be human, show her the beauty of the world, and nurture her into a miracle that surpasses even the gods】【At the end of the simulation, you die of old age in front of the nearly immortal demoness due to your mortal lifespan】…One simulation after another, one encounter after another.Xu Xi suddenly felt something was off: “Wait, you said you’re coming to the real world to find me?”

This novel is also known as Master Fu's Mysterious Darling Wife

She is the The Young Miss of Military family Shen, her face is peerless, her temperament is cold, and she is her family’s treasure, but isn’t accepted as one’s child by her mother;

He is The Sole Heir to the top giant Fu Family, his power is unparalleled, indifferent high-born, the captain of the mysterious military force, and the youngest commander-in-chief.

Because of her grandmother’s wishes, she married him at lightning speed. She thought that it was a marriage that she needed, but she didn’t expect to be greeted with his extreme pampering.

- Description from Novelupdates