Bleach: Starting with Marrying Retsu Unohana

The earth was completely pulverized by the wild trees.

"If that punch landed, even a Hollow of Adjuchas level would be instantly killed!"

Aizen stared at Araki's physical abilities, his eyelids twitching uncontrollably.

"Does Captain-Commander Araki really have a weakness?!"

Aizen, after thinking it over, used his most proficient Kido technique on Araki.

"You who reign supreme! Mask of flesh and blood, myriad forms, soaring high, crowned with the name of man! Twin lotuses are inscribed on the wall of azure fire, the distant heavens await the abyss of great fire. The Seventy-Threefold Path of Destruction: Twin Lotuses of Azure Fire Falls!"

Aizen flew into the sky, chanting the entire incantation of the Kido, and finally unleashed all the spiritual pressure on his body, releasing a massive Twin Lotus Azure Flame Drop, which was probably more powerful than the Bankai of some offensive Zanpakuto!

"Crack~"

However, Araki looked at the fireball above his head and casually swung out a palm.

"call!"

The whistling palm wind immediately dispersed Aizen's Twin Lotus Azure Flame Pendants.

"Araki-sensei didn't use the Anti-Demon Counterattack on me! He simply used the airflow generated by rubbing his palms together to completely shatter my Demonic Path of level 70 or higher!"

Aizen was stunned by Araki's actions; it was completely illogical.

"Does a monster like Araki-sensei really have a weakness?"

Aizen fell into deep thought upon hearing this.

"Divine Power - Thousand-Mile Heaven-Piercing Palm!"

Araki looked at Aizen flying in mid-air and directly used the supernatural power he had copied from the monk.

"boom!"

As Araki finished speaking, a giant hand appeared before Aizen's eyes and slammed towards him.

"What is this?!"

After being sent flying by Araki's palm strike, Aizen was completely stunned.

What ability did Araki-sensei use just now? Kido? Or the power of his Zanpakuto? But it doesn't seem like either!

Besides, isn't Araki-sensei's Zanpakuto a 'restoration type'? He'd never heard of Araki-sensei's Zanpakuto being able to enlarge his hand.

As for the Ghost Path and such...

He had never heard of any supernatural method that could make one's palm bigger!

"Araki-sensei just mentioned the word 'supernatural power'! What the heck is that?!"

"In the six years I studied at the 'True Central Spiritual Arts Academy,' I'm afraid I learned nothing at all..."

Aizen's mind was completely blank; he was utterly stunned by the abilities Araki had displayed.

"Aizen, anyone who gets hit by my Thousand Mile Sky Palm will, as the name suggests, fly a thousand miles before stopping! As for the ability I just used, don't be too surprised. For the royal agents of the 'Zero Division,' it's just a routine skill."

Araki spoke calmly to Aizen.

Although, in the entire 'Zero Squad,' only the fake monk and he can use it!

"'Squad Zero'?"

"What is that?!"

At this moment, Aizen's focus wasn't on Araki's Thousand-Mile Heaven-Piercing Palm technique. He was simply curious about what Araki meant by 'Squad Zero,' and why he had never heard of it before!

"boom!"

Before Aizen could think any further, another hand suddenly appeared behind his body, which was flying straight into the sky, and slammed him hard to the ground.

"Boom! Boom!"

In the end, Aizen collapsed in front of Araki.

"Buzz!"

At this moment, the shimmering light of the glass began to shine again, healing the injuries Aizen had sustained.

"Cough cough..."

Aizen got up from the ground, gritting his teeth against the aches and pains in his body, and asked Araki, "Araki-sensei, what exactly is this 'Zero Division' you mentioned?!"

"Oops? I accidentally let it slip~"

Araki couldn't help but smile bitterly after hearing Aizen's words.

Perhaps it's because Aizen has been putting on an act in front of Araki all along...

Araki suddenly became very enthusiastic and started acting in front of Aizen...

Araki deliberately revealed it to Aizen, but he pretended it was an accident.

"Given your current strength and status, Aizen, it's far too early for you to understand the 'Zero Division'!"

"The 'Zero Squad' is a higher-ranking unit than the 'Gotei 13,' directly subordinate to the 'Soul King's' royal agents who reside in the 'Soul King's Palace'! They are not usually in the 'Seireitei,' but rather stationed at the 'Soul King's Palace'."

Araki looked at Aizen and said with a smile.

"Is the 'Zero Squad' really strong?"

Upon hearing this, Aizen asked Araki with a puzzled expression.

“Very strong! The Zero Division doesn’t have many members, only six so far, but the combined fighting power of those six far exceeds the total strength of all the Gotei 13 members! Of course, this total strength excludes my own…”

Araki looked at Aizen and said with a smile.

"The sum of six of them is greater than the 'Gotei 13'?!"

Aizen's eyelids twitched slightly.

According to Araki, the Gotei 13 are quite formidable. Aizen has personally experienced the strength of the monster named Kenpachi Zaraki in the 11th Division...

Even with his strength, his chances of winning against Zaraki don't seem very high! In fact, if he were to fight Zaraki head-on, with his current strength, there's a possibility that Zaraki could easily kill him with a single kick.

"Actually, that's not entirely accurate..."

"Theoretically speaking, any member of the 'Zero Squad' could instantly kill the 'Gotei 13' with their full-power 'Bankai'!"

Araki smiled after hearing Aizen's words, and then continued.

"Forehead……"

Araki's words brought a sense of awe and awe to the young Aizen.

This was the first time Aizen had realized that there were so many powerful figures in the Soul Society.

"Haha, but that's too early for you!"

"Sooner or later, you will become a strong person who can rival or even surpass the members of the Zero Division. You are still young, so don't be too impatient!"

As Araki spoke, he gently patted Aizen's shoulder.

"Then, let's continue exercising!"

Next, Araki used his Zanpakuto to clean the dirt off Aizen from the ground, and began a new round of instruction for Aizen.

"Since you, Sousuke, seem to enjoy running away..."

"Now, I'm going to teach you Flash Step~"

As Araki spoke, he immediately used the Instantaneous Strike technique, his body surrounded by lightning.

"Araki-sensei, what kind of ability is this?"

Aizen was completely dumbfounded. The techniques Araki casually used were all techniques he had never heard of before.

"This is called Instant Hokage, a product of combining Kido and Hakuda!"

"Next, I'm going to play a game with you. I'll give you five seconds to run away. After you run away, I'll chase you with all my might. Once I catch you, you'll be stung by the electric lightning around me!"

Araki looked at Aizen and said with a smile.

"Forehead……"

Upon hearing this, Aizen's expression changed drastically.

"Araki-sensei, could we try another method...?"

In response, Aizen hoped that Araki could adopt a slightly gentler teaching method.

"Five, four..."

However, after hearing Aizen's words, Araki simply smiled and began counting.

"I……"

Upon hearing this, Aizen dared not hesitate any longer and immediately transformed into a blur, embarking on his escape route.

“…Three, two, one!”

"Sousuke, your master is coming to woo you~"

Araki quickly counted to five and then began chasing Aizen.

"what!!"

Suddenly, Sōyōsuke's shrill screams echoed from the sky.

Of those screams, how much was Sousuke acting in cooperation with Araki, and how much was genuine pain on Aizen's part? Perhaps only Aizen himself knows...

Years later, when the captains of the Visored looked at Aizen with bewilderment and asked, "Aizen, why are you so powerful?!"...

Only Aizen silently wiped away non-existent tears from the corners of his eyes, then said calmly, "My current strength was forced out of me by my dear teacher! If I were even slightly weaker, I would probably be in hell by now, let alone breathing the same air as you."

A few years later...

Yhwach roared at Aizen, who had become the new Captain-Commander of the Gotei 13, "Aizen! If you had experienced what I have experienced! If you had heard the cries of those souls after they returned to my body! You would not have a shred of my kindness!"

"Heh..." Aizen simply smiled at the furious Yhwach and casually said, "If you had experienced the childhood I went through, you might not have survived to adulthood!"

However, that's a story for another time...

At this moment, Aizen was still young, and he could only helplessly face his teacher's relentless attacks, like a broken doll being tossed around in the sky...

"Let these 'Three Realms' be destroyed! Let whoever wants to stand in this sky stand there! I'm tired!"

Young Aizen felt utterly hopeless, seeing no hope for the future.