The Extra of The Lunerra - Chapter 7: Volume I - 6: Theory

Ghost stories descend, binding national fate.People enhance themselves and their nation's luck by constantly participating in Analog Horror.Mental patient Jiang Xiao is initially selected to enter a nine-star level mental hospital Analog Horror!However, he bizarrely finds out that he seems to be the most seriously ill one...Jiang Xiao: “I sign a pact with the ghost stories, the weirdness is my grandson!”Participating in the seven-star level Analog Horror “Where Did Daddy Die”.A peachy-cheeked son with big eyes blinking asks: “Do you want to be my daddy?”The chosen one: “Yes!”Son: “Then I have a tiny request, which is to beat you to death!”One chosen daddy after another is smashed into pulp by the son right from the start.Facing the rebellious son charging forward, Jiang Xiao smiles coldly: “Dad, I'm actually your son!”

Lin Wudao has traversed, and there is an invincible corpse collection system.

As long as you collect the corpses for the strong, you can get the things they owned or touched as rewards during their lifetime, and the obtained items are still strengthened.

Lowest, ten times stronger!

[You collected the corpse of the great emperor Jiang Taichu, and gained ten thousand years of cultivation! 】

[You collected the body of your fiancée Jiang Qingxue, obtained the Zichen Sword, a humane spirit weapon, and after strengthening it ten times, it was upgraded to become an extreme spirit weapon, the Xuantian Ancient Sword! 】

[You collected the bones of an immortal, obtained a ray of immortal origin, enhanced it by 100,000 times, and upgraded it to become the original origin of Hongmeng. After refining it, you can be promoted to the immortal emperor! 】

…

Since obtaining the invincible corpse collection system, Lin Wudao has embarked on an invincible road that can push through the ages and suppress the heavens.

- Description from novelbuddy

Will this treacherous darkness swallow you up, or will you survive as a unique existence?Lin En accidentally transmigrated into this monstrous world. As a rare human doctor, every one of his patients was moved by his “gentle” treatment and “sincere” service!“Anesthetics? Maybe next time.”“My knife is quick, it’ll be over soon~”Welcome to Bloodsaw Pharmacy, where we will serve you wholeheartedly.

This is the story of Kir, who has to thwart the will of Heaven, Hell, and his parents in order to survive, protect the people he loves, and achieve happiness.He just has to make it through life at a magical academy, avoid dying, and survive to find his birth mother, the lost Daughter of Heaven. Or be forced to take his place at the side of his father, a Duke of Hell bent on destroying the way things are.It's a lot to handle for a quiet, brooding angel boy.Fortunately, he has company. A succubus, a foxkin girl, and a half-angel boy to start. And Kir has his own secret: this isn't his first go at life.