I Became the Progenitor Vampire - Chapter 145 - 146 The Heir to the King of Routines

Leon is an average high school student who likes to watch anime and read novels.
He's about to cross the street, only to be greeted by a truck and died.
But, he got reincarnated as Uchiha yet dead again because Itachi killed him.
Leon got reincarnated again as the grandson of the recovery girl.
He got kidnaped and tortured by All For One.
After his third death, he got reincarnated as a son of Bibi Dong.
In this fourth life, he wants to change his fate to become the strongest.

Note: Please read the tag before reading.
- English is not my first language, so there would be grammatical mistakes in this story.
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You’re a struggling young doctor, barely making ends meet with a measly $2000 monthly income. Life’s pressures and trials weigh heavily upon you!But lo and behold! One fine morning, you wake up to find yourself equipped with some sort of cheat codes…You’re scheduled for an appendectomy, so you roll up your sleeves and get ready to explore the abdominal terrain:You touch the cecum: “Cecum: Healthy!”You palpate the colon: “Colon: All clear!”You reach the appendix: “Appendix: It’s an inflamed, pus-filled appendix monster, level 15, rare creature. Recommendation: Perform an appendectomy!”With a decisive hand, you wield your scalpel and skillfully remove the troublesome appendix.“Ding! Rare appendix monster eliminated! Rewards: +100 experience in appendectomy, +$100, and a shiny white suture needle!”And thus, your journey begins as an emergency surgeon. But remember, with great healing powers comes great responsibility!

On the surface, she’s a gay high school boy. In reality, she’s the hacker known as Z, who hunts criminals on the Internet. A girl dressed in men’s clothes; a master at playing games, punishing evil, and having the highest skill in seducing girls. When people learned that “he” was actually female, the entire population blew up!

Humanity had finally ended the war with the Demon Race and sealed them away, forever.However, they now have to face the treat of the Shadow World, an equally dangerous threat to their civilisation under the rule of the Emperor!Facing only misfortune from a young age, Nikolaus Reinhardt never expected anything good to happen to him.But his world completely changed when he awakened as an Ascendant, and accidentally summoned a member of the Demon Race in his house.Just because he messed around with a god damn book!