Chapter 1
The Book of 777

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“Edward, ah, Edward!! Why are you so stupid?!”

“Heh, even those who believe in God and loudly proclaim justice have such ugly appearances... Since that's the case, reading the Bible will surely not lead to truth. Blindly following the teachings of the ancestors and abandoning one's own thinking, the only thing that can be obtained is that ugliness.”

The young boy named Edward Alexander spoke in a soft voice full of doubt and mockery, “...In that case, I will be the one to find the truth. I will be the one to reclaim the path lost due to people's foolish blindness!”

Early 20th Century, 1919, London, England—

Roy Crowley placed the book he had finished reading on a slightly aged solid wood table, closing it with a heavy thud. He rubbed his forehead with his hand, muttering tiredly, “...As expected of the magic tome 『Primal Scripture』, just reading it is like being poisoned. If a normal person were to read it, they would definitely be corrupted by the toxins in its contents, going mad or dying.”

“...Ha, am I not a normal person? Or should I be thankful for the blood flowing through my body?”

Roy chuckled wryly. After closing his eyes and resting for a moment, he stood up from the chair that matched the table.

He looked around, and what he saw was a slightly old apartment. The furniture inside looked quite aged.

The furniture was all meticulously cleaned, and the few decorations on the table were unique and well-crafted. There was also a small potted plant on the windowsill.

There were no luxury items in the house. The most valuable thing seemed to be the countless books crammed into the bookcase in the corner. Just from the furnishings of this room, one could see that the owner of the house, while not exactly impoverished, was definitely far from wealthy.

Roy was quite satisfied with this cozy little house. In early 20th century London, in this London that had just ended World War I, he could have lived in a slum but instead had his own house in the residential area with his sister. He had no other desires.

Should he thank that never-seen father of this body, or should he thank the mother who died shortly after giving birth to them?

Ah, it should be his mother, right? Even though the mother of this body never fulfilled her duty to raise them, it was a force majeure.

As for that entity called father, he might have even forgotten about them. It was a good thing that Roy was an adult who had already been working before his transmigration. Although his life after transmigration was hard, he managed to raise his sister smoothly thanks to his maturity.

Thinking this, Roy looked at the book his fingertips touched with a complex expression.

The paper was cold, and the book looked very new, with no sense of historical weight. But if this book were to be thrown into a magical world, it would surely cause a sensation among all the magicians.

——《777之书》, Author: Aleister Crowley

“A Certain Magical Index…”

Roy mumbled under his breath, then shook his head in a slightly helpless manner.

Not long after he transmigrated into this world, he already knew which world he had come to.

The world of 《A Certain Magical Index》 was both familiar and unfamiliar to him. Familiar because he had watched the anime. Though he couldn't recall many details, he could still remember some of the general plot flow.

Unfamiliar because it seemed like he transmigrated a hundred years earlier. Now, not to mention Academy City, even Aleister Crowley, his biological father and the big boss behind the scenes, was still alive and kicking, not yet trapped in a nutrient tank as a hanging man.

Roy wasn't going to rush out and do something stupid in this era where he didn't know the interpersonal relationships or the various forces. He chose the most correct decision, which was to live honestly with his sister in this dilapidated apartment in London.

Roy had no intention of finding Aleister Crowley. He even wished he could go as far away as possible. If his memory was correct, Aleister Crowley should now be hunted by countless magicians all over the world. It was no exaggeration to say that he was an enemy of the world.

If he dared to go out and say he was Aleister's son, he would probably face countless magicians coming to kill him that day. It would be difficult to live until the next day.

Now Roy was quite relieved that Aleister had forgotten about them. Even their own father had forgotten about his own children, let alone other magicians. This gave Roy and his sister a relatively stable living environment.

Besides, even if Roy wanted to go out and cause trouble, he couldn't. He wasn't a "Primal Stone," one of perhaps only dozens in the world. He didn't have innate superpowers, and at this point, he didn't have Academy City's superpower development.

Roy did know some magic, but only a few. These were all learned by Roy through self-study. He did not receive magic education from childhood, so he could only rely on the books left behind by Aleister to learn on his own.

Roy's mother should be Aleister's most intimate lover. This apartment was definitely also lived in by Aleister, otherwise he wouldn't have left so many of his works here. The books in the bookcase were Roy's greatest wealth right now.

And the most valuable of all these treasures was the book Roy had placed on the table—《777之书》.

In the Christian 《Bible》, the number 7 has immense significance, representing completeness and perfection.

God created the world in 7 days and rested on the seventh day.

In Revelation, God lists 7 churches, representing all the churches throughout the church period.

7 is the Seven Spirits of God. In God's judgment, there are seven seals, seven trumpets, seven bowls, and seven plagues.

Noah entered the ark, and God gave him 7 days of grace.

Solomon built the temple in 7 years and kept the festival for 7 days.

Lord Christ on the cross spoke the famous seven words.

——And so on and so forth.

‘777’ is the most important number in the 《Bible》 and has immense magic.

If anyone from the magical world saw 《777之书》, they would surely suspect that this book was related to ‘Christianity’. In fact, the things recorded in this book are indeed some analyses of the Kabbalistic Tree of Life, mystical rituals, names of angels, and even involve astrology and divination.

(Note: 《777之书》 does exist in reality, written by Aleister Crowley.)

However, only Roy, who had been reading this book for more than ten years, knew that the knowledge recorded in 《777之书》 was only the surface. This book truly expounded on Aleister Crowley's thought. It was his magnum opus, the true source of his power.

What it recorded was not the Kabbalistic Tree of Life, but an inverted tree twisted by Aleister himself, also known as the ‘Tree of Evil’.

‘7’ is originally a holy number in Christianity, but Aleister connected ‘7’ with ‘Beast’ and filled this magic tome with ‘human evil’. The entire book is filled with blasphemous rebellion against God, showcasing Aleister's arrogance.

“As expected of the one called the ‘Beast of Revelation’, the ‘most evil man in the world’. This is simply betraying the world created by God.”

Roy let out a heavy sigh. Just thinking about the content recorded in this 《777之书》 made Roy feel a dull pain in his head. That original sin, filled with ‘human evil’, almost dragged his body and soul into the filthy mud.

Just then——

“Brother, I’m back!”

A sweet and melodious voice came from outside the apartment.