Longevity starts from having a daughter in old age - Chapter 472 - 439 Continued_1

Masterpieces such as 'The Divine Comedy', 'The Theory of Evolution', 'Encyclopaedia Britannica', 'The Theory of Relativity'...Born in the history of human civilization, possess mysterious and magical powers in another world!Original sin, biological evolution, mastery of all arts...By reading the secret tomes, one can gain a variety of powers!The only trouble for the people of the other world is that they find it difficult to understand the texts from Earth.At this time, there comes a librarian from Earth...

Transmigrated to become a disciple of the demon sect, relying on the technique modifier to become a giant of the demon path.

[Detected the technique “Blood Nerve”, relying on devouring blood to cultivate]

[Side effect: easily affected by the spirit contained in the blood, becoming bloodthirsty, murderous, insane, and even brain dead]

[Please wait, system modification is in progress…]

[Ding! Modification completed and side effects canceled]

Raon’s entire life had been lived as a dog on a leash.

Through a twist of fate, he obtained a new life.

Wrath remained in the wreckage of his destroyed leash.

Finally capable of standing on his own feet, he decided to live life by his own will.

He would slay anyone standing in his way…

Even if they were a god.

A teenage boy finds himself transmigrated into an alternate version of his favorite fictional universe, equipped with a standard system designed to make his adventure more convenient.—In this fanfiction, the wizarding world is more advanced and more aware of Muggle technology. The one place still lagging behind? Britain, where noble wizards cling to outdated traditions.This is an alternate-universe take on Harry Potter, blending in characters, themes, and ideas from various other universes—movies, TV shows, and books alike.The story will begin by focusing on Harry's time at Hogwarts, with other universes making brief appearances through short chapters or mentions. They won't take center stage until after the Hogwarts years are complete.The pace will be slow at the beginning, as I need to introduce new concepts, world-building, and character development to shape the MC the way I want him before the plot truly kicks off.—The System:First of all, it doesn't control the MC's life.It's not sentient, it doesn't make decisions, and it certainly doesn't control the MC. In fact, the MC could ignore it entirely, and nothing would happen.At first glance, the system might seem a bit overpowered. But give it around 30 chapters, and you'll start to see the balance. The system is just there to help the MC now and then, offering a shortcut when it's convenient. It won't make him invincible overnight.—Pairing: I'm still undecided. Harem? Single love interest? To be honest, I'm open to either and will let the readers decide.The release schedule is set for every Monday, Wednesday, Friday, and Saturday, with one chapter per release, but may increase depending on the support this fanfic receives.—I have a family with two kids—a daughter and a son. I work full-time and dedicate my free time to writing, usually after spending time with my family. This gives me about two or three hours to focus on writing, and I absolutely love it.I'll do my best to stay consistent.—If this sounds like your kind of story, I'd love for you to give it a try! Your feedback would mean a lot, but please wait until you've read at least 15 chapters before sharing your thoughts.And if this isn't your taste, no problem! There are plenty of other stories in this genre for you to explore.Harry Potter and all other fictional elements in this fanfiction belong to their respective authors, including J.K. Rowling and others. I don't own any of it.If you enjoy these stories, I encourage you to support and respect the official content above all else. It's important to honor the original creators!