"Well, that's a sad story. But don't worry. I'll help you to bring back your species" said Naruto and she got a hopeful look in her eyes.
"But as I said, not now. I'll tell you when I'm ready. If you can't wait, you can search for someone else" offered Naruto.
"Nya. That's a cruel method. You gave me a good taste of your Senjutsu and now you want me to search for someone else? Nyah~. I'm not searching. You're going to be the father of my babies" spoke Kuroka with determination.
"I guess you have to wait then," said Naruto.
"I'll," she said but got a doubtful look.
"Why doubtful?"
"I don't know I'll be alive till then"
"Hmm. Yea. The bounty. Well, I'll protect you till then" said Naruto, dropping the bomb.
"What?"
"I told you I'll protect you. You can do whatever you want. I'll protect you from anyone. If you trust me, come with me" said Naruto. He offered her a hand as he stood up. Kuroka stared at him in shock.
'Did he just offer me his protection? Who is this guy?' Was her thought before she absentmindedly took his hand. She felt a familiar feeling of teleportation and was in a luxurious room in a house.
"Where are we?" Asked Kuroka in confusion.
"Lilith"
"What! You brought me to the Devil's capital?" She exclaimed in horror. The doubt of the guy being one of her hunters increased.
"Calm down. I brought you here just to show you this place. You can come here anytime as no one lives here and can call me with this magic circle if you're in a pinch" said Naruto and gave her his magic circle which is in the form of the Uzumaki Swirl.
Rest is history. She started doing some odd jobs and shady things to keep herself busy and got an offer to join the Khaos Brigade and took it after consulting Naruto.
You can say she is his spy in the organisation. That's why he knew about the structure and details of the rogue organisation.
Flashback End
"I'm here to check up on the father of my babies," said Kuroka with a teasing smile.
"I'm fine. How is Khaos Brigade going? Everything good I guess" asked Naruto.
"I'm here on duty you see," she said with a smile as she walked towards him and jumped on him, throwing both of them on the couch.
"Oh? Who sent you?" Asked Naruto. He knew of her role as a member of Team Vali. Vali is this generation's White Dragon Emperor who awakened and was trained by Azazel just like him.
However, Azazel adopted Vali as his foster son. From what Naruto knew, Azazel doesn't know Vali's membership in the Khaos Brigade.
"Ophis. I think you know her?" Asked Kuroka, making circles on his chest.
"Heard of her. Didn't meet personally. Why, is she interested in me or something?" Asked Naruto with a teasing smile?
"Maybe, maybe not. She is searching for a Dragon"
"Dragon? Which one might it be?"
"The Shadow Dragon, Skiadrum," said Kuroka. The temperature in the room dropped. Kuroka stared directly into Naruto's eyes and asked in a serious tone.
"Why didn't you tell me?"
"Didn't tell what?" Asked Naruto innocently.
"About the Shadow Dragon part"
"What makes you suspect me?"
"Don't act. I know how masterful you are in using Senjutsu. It wouldn't be impossible for you to hide your Draconic Aura from my senses" she accused him.
"Interesting. You are accusing me now, Kuroka-chan" said Naruto with a faux hurt tone.
"Don't try to change the topic and act innocent. Tell me, isn't it true? Aren't you the Shadow Dragon Emperor?"
"Well, I guess it's been a long time since I got found hiding something. Yes. I'm the Shadow Dragon Emperor, the holder of Abyss Shadow" said Naruto as the surroundings in the room changed and Kuroka sensed someone staring at her from all sides.
"Why did you hide it?" She asked in a mock hurt tone. She knew Naruto wouldn't tell her all his secrets on their first meeting.
Even now, she is not hurt but disappointed that she was not told about this. That's why she confronted him now. If not for Ophis talking about it, she wouldn't have confronted Naruto on this matter.
"Where is the fun in telling you everything?" Asked Naruto with a teasing smile.
"That's it?" She asked in shock.
"Yup. What did you expect? A long-secret?"
"Nyah. That's cheating" whined Kuroka.
"I think we both have different meanings of cheating, dear," said Naruto.
"I have a small task for you," said Naruto, and Kuroka nodded in acknowledgement.
"I want you to find the master of this fool," said Naruto and showed her the image of Cheado with a magic circle.
"What for?" She asked curiously.
"Well, that foolish idiot is trying to get Reni-chan"
"Reni? That ice girl?" Asked Kuroka.
"Yup"