At this time, it has been four days since Tsunade and others invaded the Underground Research Institute of the Rain Country.
In these four days, in the Rain Country.
Aizen, Orochi Maru, and others have been staying in the Research Institute, studying the reason why Devil Child Maru and others changed in the previous battle.
"Puchi …"
As the needle was slowly inserted into the body, the bright red blood was slowly extracted, squeezed into a tube, and then flowed into a large container.
The one whose blood was extracted was Devil Child Maru, who was a little pale. At this time, he couldn't help but glance helplessly at the needle in his right arm.
My God … How many days has it been …
At this rate, I'm afraid I won't have a chance to continue working for Orochi Maru -sama …
At the thought of this, his face seemed to be even paler.
As if thinking of something, he couldn't help but glance at the figure beside him, and said with a slightly respectful voice.
"By the way, Kimimaru-sama, why were you also brought into this laboratory?"
He gently pinched his chin with one hand, thought for a while, and slowly said.
"As far as I know, this time, only me, Jirangho, Sasuke, and Sasuke were brought to this experiment …"
Hearing Devil Child Maru's words, someone stood beside him.
A fair-skinned young man in a light-colored kimono slowly turned his head, his pale face was expressionless, and his voice was very calm.
"I think it should be related to the changes in our bodies before …"
Hearing his words, Jirangho and others on the side also came over, tilted their heads, and said with some doubts.
"Change!?
What's the change in our bodies!? "
In this regard, Sasuke couldn't help but glance at him and said mockingly.
"You idiot, didn't Orochi Maru -sama already say it clearly before!"
"When fighting with Thousand-Hand Rope Tree, our bodies had a significant improvement in strength!"
Hearing Sasuke's words, Jirangho couldn't help but murmur.
"Is there such a thing!?
Why don't I remember! "
In this regard, Devil Child Maru couldn't help but lower his head slightly, and said weakly.
"It's because we all forgot …"
"According to Orochi Maru -sama, we seem to have forgotten what happened during the battle …"
He stretched out a finger and gestured in front of everyone's eyes.
"It's precisely because we don't know what made us change that we conducted this experiment … Do you understand now?"
Hearing his words, Jilangfang nodded as if he understood.
Everyone ignored him. After all, it would take a lot of effort for Jilangfang to understand this problem.
Everyone who had been tormented for the past few days did not have the energy to do so.
However, after hearing Kidomaru's words, Kimimaro's face changed slightly, but he still said calmly.
"Devil Child Maru, did you just say that you have no memory of what happened during the battle?"
Hearing his words, Devil Tongmaru glanced at him in confusion and said matter-of-factly.
"Yeah, that's why I'm so troubled …"
"I don't know what caused this, really!
It's clearly my own body, but something like this happened! "
In this regard, Kimimaro had no time to care about it, but silently clenched his fists.
He lowered his head slightly, recalling the scene when he fought with Tsunade and Rope Tree before …
At the same time.
Outside the laboratory where everyone lived, in an observation room, there were many people at this time.
He saw that Orochimaru was wearing a white medical robe at the moment, staring intently at an instrument, he seemed to be observing the composition of blood.
At this time, he didn't look like a ninja who was proficient in various forbidden techniques at all, but more like an experienced scholar.
Kazumi also stood on the side, fusing and debugging the reagents in many test tubes, and her hands didn't stop for a moment.
Aizen watched this scene quietly, not disturbing their work.
At this time, behind Aizen, Silver glanced at him and chuckled softly.
"Captain Aizen, what do you think caused the difference between Kimimaro and Kidomaru?"
Hearing his words, Aizen's mouth slightly curved, and his deep eyes glanced back at Silver, and whispered.
"Difference …?"
"It's hard to say, in my opinion, what you said about Kimimaro is more like a maturing Faceshift …"
"And what happened to Kidomaru is more like a Hollow that lost control of its power because it couldn't be controlled …"
Hearing his words, Silver's face showed a slightly surprised expression, but Aizen waved his hand gently and continued softly.
"Of course, this is not completely certain."
"After all … It's reasonable to say that the Faceshift you said happened to Kimimaro didn't bring him a significant increase in strength."
"On the contrary, the loss of control caused by the Faceshift in Kidomaru and others increased their strength a lot."
"But in this regard, it's self-contradictory …"
Speaking of this, Aizen's deep eyes narrowed slightly, and whispered softly.
"So, this is the ultimate purpose of our experiment. After all, the current Hollow can't be considered in the same way as before."
"You have to understand that the current Hollow is based on the transformation of human beings, and that's the only way."
"Because of this, no matter what magical changes happen to them, we have to accept it …"
"After all …"
Speaking of this, Aizen didn't continue. Instead, a slight smile appeared on his face.
Hearing his words, Silver's eyes narrowed slightly, and he seemed to understand something in an instant.
He couldn't help but smile slightly, and his narrowed eyes gently looked at Aizen's back, and chuckled softly.
"I see … Captain Aizen, do you think … everyone here has the same potential as Shinozaki Ichigo …?"
In response, Aizen's deep eyes flashed with a hint of a smile, glanced at Silver, and chuckled.
"Shinozaki Ichigo is a special case among special cases, even I didn't see his growth clearly …"
"And … if it wasn't for that guy Urahara …"
Speaking of this, Aizen's words paused slightly, and a cold light flashed in his eyes, and he slowly said.
"In short, what happened to this group of children, I'm more inclined to the Masquerade experiment we conducted in the past …"
Hearing his words, Silver's narrowed eyes couldn't help but open slightly, and his eyes flashed with slight surprise, and he murmured.
"The group of Masquerades!?"
In response, Aizen nodded gently.
A slight smile appeared on his face, and his deep eyes passed through the huge glass in front of him, slowly looking at Kimimaro and others in the distant laboratory, and he murmured softly.
"Yes …"
"The changes that happened to them, in my opinion, are more like the Hollow Cactus hidden in the Shinigami's body …"
"I'm really looking forward to seeing the results …"
Hearing his words, Silver's expression was slightly stunned, and his eyes couldn't help but follow Aizen's gaze to Kimimaro and others, and he didn't know what to think.
However, Silver only hesitated for a moment about Aizen's answer.
Soon, he seemed to remember something, and he couldn't help but whisper to Aizen.
"By the way, Captain Aizen, if I remember correctly, Nagato has prepared three Bijuu."
"It's better to take advantage of this time to summon the remaining people to this world …"
Hearing his words, Aizen gently turned his head, glanced at Silver with a smile, and chuckled.
"Silver, since when did you care so much about them?"
In response, Silver's eyes narrowed slightly, and a fox-like smile appeared on his face, looking at Aizen, and whispered softly.
"If it was me in the past, I'm afraid I'd rather not see those guys in my life …"
"But … now I sincerely hope to see Captain Aizen lead us to success, and even … return to Soul Society …"
"Based on this premise, that's why I'm so eager to see those guys …"
Having said that, Silver's eyes narrowed slightly, and the corners of his mouth raised slightly, and he smiled softly.
"After all, those guys are also rare companions that are trustworthy …"
Hearing Silver's words, Aizen whispered softly.
"Companions …"
After that, he glanced at Silver and chuckled.
"Since you said so, then … Let's go …"
"Before they find out the reason, summon those guys to this world …"
Hearing his words, Silver bowed slightly and whispered.
"Thank you for your kindness, Captain Aizen …"