Arisuin Nagi knew that Rozen had already noticed his true identity, even if no one else did.
He knew Arisuin Nagi was a spy.
He knew Arisuin Nagi was one of the attackers.
He knew Arisuin Nagi was a member of Akatsuki Academy.
He knew Arisuin Nagi was part of the Rebellion.
Given all this, how could Arisuin Nagi continue to hide?
He had no choice but to turn himself in.
It wasn't because Arisuin Nagi wanted to silence Rozen, nor was it because he feared Rozen would come after him.
Arisuin Nagi knew Rozen didn't care about such things; as long as he didn't bother Rozen, with the grudge between him and the League and the Rebellion, Rozen would definitely choose to stand aside and ignore him.
But Arisuin Nagi still chose to turn himself in.
Not for any other reason.
"I no longer want to be a killer for the Rebellion, nor do I want to have any further connection with that world."
Arisuin Nagi finally voiced his true feelings.
This was the reason he turned himself in.
If Arisuin Nagi still wanted to continue being a killer, still wanted to stir up trouble with Akatsuki Academy, then he could have ignored everything, kept his distance from Rozen since Rozen wouldn't interfere with these matters, and Rozen certainly wouldn't expose his identity.
But Arisuin Nagi didn't want to do that; he wanted to leave the underground world and return to this surface world.
"I want to continue being a student at Hagun Academy, to continue being Shizuku's friend."
Arisuin Nagi looked directly at Rozen, speaking with utmost sincerity.
"I believe that if I want to achieve this, I must be honest with you, who knows my identity."
Otherwise, even if Rozen didn't expose Arisuin Nagi, he wouldn't easily trust him.
And if Rozen didn't trust Arisuin Nagi, given his influence on Ikki, Stella, Shizuku, the student council members, even Shinguji Kurono, and Saikyo Nene, perhaps Arisuin Nagi would never be able to integrate here and achieve his wishes.
Therefore, Arisuin Nagi had to be honest with Rozen.
Honest about his thoughts.
"I know, suddenly saying this, you probably won't easily believe me, right?"
Arisuin Nagi felt helpless.
However, this underestimated Rozen.
"I believe you."
Rozen asserted.
"Huh?"
Arisuin Nagi was stunned.
He had no idea...
"Ever since you gave up your representative spot, I had a rough idea of what you intended to do."
Rozen smiled slightly as he spoke.
"If you still intended to cause trouble as a member of Akatsuki Academy, you would definitely try to keep your representative spot, not easily give it up."
So, when Arisuin Nagi gave up his representative spot, Rozen was very surprised, even Edelweiss was surprised.
But afterward, both Rozen and Edelweiss understood Arisuin Nagi's thoughts.
"After all, a person's expression can be faked, but their intentions cannot."
Rozen shrugged.
"Your concern and care for Kurogane Shizuku are genuine, I can see that."
Not only Rozen, but others could also see it, right?
Otherwise, given Shizuku's aversion and rejection towards others, it would be unrealistic for her to actively make friends with anyone other than her brother.
Yet, Arisuin Nagi accomplished this.
This must be because Shizuku sensed Arisuin Nagi's genuine feelings for her.
"Don't say it's because Kurogane Shizuku was fooled by your sweet talk," Rozen said, "I've already heard about her from Kurogane."
Ikki once told Rozen.
"Actually, Shizuku had a very bad phase before."
This was something Ikki personally told Rozen.
Because Shizuku displayed exceptional talent as a Blazer from a young age, the people of the Kurogane family treated her like a princess, flattering her and showering her with love.
People around her allowed Shizuku to do anything she wanted.
She could bully other kids at will, snatch their toys, and even if she was in the wrong, the adults around her wouldn't blame her, even punishing the children who inadvertently offended Shizuku, fearing her greatly.
Shizuku deeply despised such people, those who bowed to the strong, who chose to yield in the face of benefits and status, who never spoke a sincere word, always flattering her, dirty to the extreme.
This is why Shizuku claimed to hate humans.
This girl seemed sharp-tongued, seeing no one other than Ikki, but there were reasons for it.
Shizuku was very sensitive to people's hearts.
If Arisuin Nagi approached Shizuku with false intentions, no matter how well he disguised himself, he couldn't have become friends with Shizuku.
The reason Shizuku didn't reject Arisuin Nagi was because all his actions towards her were sincere.
Even Ikki, the reason Shizuku was so obsessed with him, was because when she was young, he was the only one who blamed her for doing wrong, even hitting her, showing her his uniqueness.
Shizuku had been looking for such a person, who wouldn't pamper her, who was strict with her, just hoping to find someone different from the adults she had met so far.
Hence, Shizuku accepted Arisuin Nagi.
"In that case, I also choose to believe that you don't really want to be with those people, that you long for life in this academy."
Rozen thought.
This left Arisuin Nagi in a daze for a while, before he finally murmured.
"Is that so?" Nagi Arisuin said, somewhat complicatedly, "But you're wrong, it's not that I like this life so much that I abandon my past, I just like Shizuku too much, to the point of no return."
Yes.
This was the reason Arisuin Nagi abandoned his past.
"That child was born in a twisted family, loved her blood-related brother, doing all kinds of absurd things without a care, even though she knew her feelings were twisted, even though she knew her love path wouldn't be smooth, she still chose to endure all of it, just for the brother she deeply loved."
For Arisuin Nagi, who grew up in darkness, Shizuku was extremely dazzling.
As a result, unconsciously, Arisuin Nagi found himself unable to take his eyes off her.
It wasn't love, but more like familial affection.
Arisuin Nagi treated Shizuku as his sister.
And this killer chose to abandon everything, to move towards the light, just for this one person.
If it were before, even if Arisuin Nagi had such thoughts, it would have been difficult to realize.
"Wallenstein was my mentor, he wouldn't allow his disciple to betray him. Once I showed such intentions, not only would I be killed, but Shizuku would also be killed. That man was like that."
Arisuin Nagi felt both complex and relieved.
"But now he's dead, killed by you."
So, after that, Arisuin Nagi resolutely chose this path, abandoning his identity as a killer.
"So, what do you plan to do? Are you going to hide your identity from Kurogane Shizuku forever?"
Rozen asked.
"No, I will tell her everything."
Arisuin Nagi had already decided.
Seeing Arisuin Nagi's expression, Rozen knew this person was ready to give it all.
"Then I wish you success."
Rozen smiled suddenly.
"Thank you."
Arisuin Nagi also smiled sincerely.