I'm in Bleach, starting with Unlimited Blade Works.

"After Ginjou Kugo killed those Shinigami, although I had doubts about Ginjou Kugo, I did not go to the Technology Development Bureau to retrieve Ginjou Kugo's information. Instead, I sent a Shinigami stationed in the human world to ask Ginjou Kugo what had happened."

"However, Ginjo Kūgo did not explain anything to that Shinigami. Instead, he directly attacked the Shinigami stationed in the human world and killed that team member."

“This has violated the laws of the Seireitei, and Ginjo Kūgo must be punished by the Seireitei.”

"Furthermore, since those people didn't kill Ginjo Kugo, there might be something on Ginjo that they covet."

"By killing Ginjo Kūgo directly, we can eliminate all subsequent factors that are detrimental to Seireitei."

"Of course, we can also monitor and protect Ginjo Kūgo, but the guy who's eyeing Ginjo Kūgo is probably not an ordinary captain-level powerhouse. It's impossible for our Seireitei to send more than one Shinigami captain to protect a Shinigami substitute."

"I see."

After listening to what Jushiro Ukitake had to say, Erin understood.

This is true.

"I understand. I will take Yincheng's body back with me when the time comes."

"Yes, I'm counting on you, Captain Erin."

After hanging up the communication device, Erin didn't hesitate any longer and headed straight for Xuexu's villa.

……

Erin did not conceal his spiritual pressure, so when Yukio sensed Erin's arrival, she used her ability to bring Tsukishima Hidekuro and Tsukizawa Kiriko into her game space, leaving only Ginjo Kūgo in the villa to wait for Erin's arrival.

"Whoosh!"

The wind blew, and Erin's figure appeared in the garden of the villa.

"Teacher Erin."

Upon seeing Erin, Ginjo Kugo put one hand in his pocket and waved to Erin with the other.

"Silver City".

"The Seireitei has replied to me."

"Oh? Teacher Erin, what did the Seireitei say?"

Although Ginjo Kūgo still had a smile on his face, his left hand, which was tucked into his waistband, was intentionally or unintentionally gripping the Substitute Shinigami ID in his pocket.

"Captain Ukitake and Captain Mayuri Kurotsuchi of the 12th Division both stated that the surveillance data on you has always been stored in the Technology Development Bureau and no one else has accessed it."

"Oh? So that means the Shinigami of Seireitei think I'm lying?"

At this moment, the smile on Ginjo Kūgo's face had faded.

So, in the end, we still have to take action?

"Do not."

Erin shook his head and said, "Although we didn't find that your surveillance records were accessed, we did find the dozen or so Grim Reapers who attacked you."

“Through them, we discovered that another force has been monitoring you, seemingly trying to achieve some ulterior motive through you.”

"Oh?"

Ginjou raised an eyebrow; he only believed half of what Teacher Erin said.

"Does that mean I'm innocent?"

"Do not."

Erin said seriously, "Ginjo, although you killed those dozen or so Shinigami who were hiding in another force within Seireitei, it was considered self-defense, and Seireitei will not pursue the matter."

"However, you can't deny the crime of killing the Grim Reaper who came to you to find out the truth the second time."

"Ginjo, will you resist to the bitter end, or will you accept imprisonment and come with me to Seireitei to face punishment?"

"Haha, Teacher Erin, in the end, it all comes down to a fight, doesn't it?"

After listening to Erin's words, Ginjo Kūgo laughed heartily, took out his Substitute Shinigami ID, and slapped it against his chest.

"Oh!"

After a soft sound, Ginjo Kūgo, dressed in his Shinigami uniform, appeared. His body slowly fell to the ground as he drew his Zanpakutō from his waist, pointing the tip of the sword at Erin.

"Teacher Erin, there's no way I can go back with you."

"Regardless of which faction the group of Grim Reapers I killed belonged to, the fact that he could send a group of Grim Reapers to attack me means that faction was also Grim Reapers, right?"

"I don't know how many factions the Shinigami of Soul Society are divided into, but..."

"I don't want to pay the price for your mistakes!"

Bankai - Cross Gallows!

"boom!"

An immense spiritual pressure emanated from Ginjo Kūgo, and at the same time, the Zanpakutō in his hand transformed into a two-handed greatsword.

"Let's fight, Teacher Erin!"

"Having mastered Bankai, I should be on the same level as the captains of the Gotei 13, right?"

"Let me see, how do I, a wild Grim Reaper, compare to you, the true Grim Reapers, to see who is stronger?"

After saying that, Ginjo Kugo stepped forward, transforming into a blur as he rushed towards Erin.

"boom!"

Erin jumped back, and Ginjo Kūgo's sword struck Erin's feet, leaving a deep mark on the ground.

"Yincheng, are you sure you want to resist?"

Standing in mid-air, Erin said in a deep voice, "You should know that if you draw your sword against me, you must be prepared to die."

"It doesn't matter what that thing is like, Teacher Erin."

"Right now, all I want is to defeat you, tear off your arrogant mask as the Grim Reaper, and trample your arrogance under my feet."

After saying that, white spiritual energy shone on Ginjo Kūgo's sword. Then, Ginjo Kūgo swung his greatsword at the control point where Erin was located.

"Crescent Moon-Tian Chong!"

"boom!"

A white crescent moon, more than three meters wide, flew out and struck Erin with great force, tearing the air apart with a whooshing sound.

"Crescent Moon Sky Piercing?"

Ailin chuckled: "Yincheng, have you forgotten that I was the one who taught you this Crescent Moon Sky Rush technique?"

"Using the tricks I taught you to fight me, is it my arrogance or yours?"

As they chatted and laughed, Erin extended his left hand toward the approaching crescent moon.

"boom!"

"Boom boom boom boom..."

The crescent moon was grabbed by Erin, and the powerful impact caused a violent roar as it struck the air.

However, no matter how strong the impact was, it couldn't even make Erin take half a step back.

Then, to Ginjou Kūgo's astonishment, Erin's hand suddenly tightened.

"Click..."

"Crack, click, click..."

"Bah!"

The white crescent moon was cracked by Erin's force, and finally, when the cracks covered the crescent moon, the slash from Silver City Sougo shattered into spiritual particles.

"Yincheng, do you know?"

"I have taken on three disciples in Seireitei."

"His first disciple eventually became the captain of the Sixth Division."

"The second disciple eventually became the captain of the Third Division."

"The third disciple also became the captain of the second division."

"Among my disciples, those who have mastered the 'Bankai' of Zanpakuto are nothing special."

"You received half a month of training from me on Zanpakuto, and it was within my expectations that you were able to reach the Bankai level."

"In fact, if you still can't master Bankai after my instruction, then no matter how much you train, your final achievement will only be at the level of a vice-captain."

Erin flicked his hand, sending away the remaining white spiritual particles from Ginjo Kūgo's Getsuga Tenshou. Then, staring at Ginjo Kūgo, he asked, "What kind of thing is it that gave you the idea that once you've mastered Bankai, you can rival me?"

"call out!"

The next moment, Erin appeared in front of Ginjo Kūgo, raising his right knee and ramming it into Ginjo Kūgo's abdomen.

"Oh!"

"Wow……"

The immense force blasted Ginjo Kūgo into an arc shape, and the powerful shockwave passed through Ginjo Kūgo's abdomen, tearing a huge hole in his Shinigami armor.

"Boom bang bang..."

Not only that, this force also blasted Ginjo Kugo away, crashing through several villa walls before finally slamming into a house. The house was shattered and collapsed, burying Ginjo Kugo underground.

"Rumble..."

The next moment, Ginjo Kūgo, his shihaka armor tattered and covered in blood, burst out of the rubble with a burst of spiritual pressure, staring at Erin with a look of terror on his face.

too strong!

Teacher Erin, how could you be so strong?

Just one kick, and I almost died.

Therefore, it seems that Erin-sensei is among the most powerful characters in Bleach.

Come to think of it, as Erin-sensei just said, he trained three Shinigami captains. If someone like that is still considered weak among Shinigami, even Ginjo Kūgo himself wouldn't believe it.

"how?"

With a flash, Erin appeared ten meters in front of Ginjo Kūgo, and chuckled, "Ginjo, is this the arrogant mask you just said you would tear off and trample my arrogance under your feet?"

"You think you can tear off my mask with your ant-like strength?"