This is based off my own headcanon. Feel free to send suggestions/prompts for me to write!
He didn't think it was strange for her to ask such a thing from him. They did get closer before the war claimed his life and it was only natural she'd want him to be there.
"Hinata?"
"Un?"
Scratching the back of his head- a habit he's had when he's nervous- he looked out the window, contemplating how he should ask.
"When did you and Neji-"
"Get so close?" She finished for him. She saw him shift slightly, as he nodded his head slowly. She knew he felt he was treading on thin ice, asking her a question that would potentially hurt her to answer.
"We got closer after the Chuunin exams. It was weird; I didn't know how to react. It's not as though he's always been so cold towards me. I noticed he acted this way after Hizashi-ojisan died. I found out he hated my father more than me, but he knew the seal on his forehead would stop him from betraying father. He chose to take it out on me instead, by showing he was stronger than me, but he told me that you called him a 'genius' and due to those words, he was set free from his hatred. It's all thanks to you, Naruto-kun. You brought him back to me."
Seeing her smile like that, it made him realize he'd do anything to see it on her face. He knew he could've used his shadow clones to go get the photograph, but he knew it would've meant more if he brought it to her personally.
He trusted Sakura and Sasuke to watch over her while he was gone. He wasn't planning on staying out long anyway.
When he got to the compound, he was thankful none of the Hyuuga's were present. It seemed even the guards were absent, the compound almost seemed deserted if not for the quiet murmurs down the hall. He assumed they were in a meeting and didn't think to have anyone watch over the grounds. He was thankful for that, since he didn't want to be questioned about why he was in her room.
As he started to rummage through her things, he failed to sense Hanabi enter, her arms crossed as she leaned against the door.
"Good afternoon Naruto-san. May I help you with something?"
Jumping from hearing her speak, he forced a laugh from his lips, scratching the back of his head out of nervousness.
"Actually.. You might be able to. Hinata has gone into labour and she wanted me to bring a photograph of Neji. I've been looking for a few minutes but I'm in a bit of a rush-"
"Follow me. I think I know the perfect one."
.
.
.
"It's okay, Hinata! Just start to push okay? Sasuke-kun, can you please hold her hand until Naruto shows up?" Sakura asked as she stayed at the foot of the bed. She didn't understand what was taking the idiot so long! They didn't think she was going to start so soon though. Tsunade had told her that each pregnancy is different and some can take a while, while others took less time.
Still, she was going to beat that idiot senseless if he missed her giving birth.
Sasuke stood at the side of the bed, Hinata's hand in his. He wasn't good with comforting people, and he felt a bit awkward being in this position. But he felt her squeeze his hand as she screamed and he noticed Sakura's face turn into a frown.
"That idiot better get here soon. I don't want to be here when Sakura kicks his ass."
As though he heard his thoughts, Naruto zipped into the room, the photograph in his hand.
"Sorry I'm late!" He took long strides to his wife's side, slightly nudging Sasuke away from his spot. "I managed to get the photo Hinata. I'll place it right here, so he can watch you."
She looked up at her husband, that smile on her face. "Thank you, Naruto-kun. You're very kind."
Blushing from his wife's compliment, he smirked, "Anything for my beautiful wife."
"You can flirt with your wife later Naruto! Take her hand! She has to start pushing again."
Quickly grabbing her hand, he leaned his head and whispered sweet words into her ear as she screamed in agony. He hated seeing Hinata in such a state, but this kind of pain was something he couldn't help her with. All he could do was stand beside her, rub her hand with his and console her with words. He winced a bit at the pressure of her hand, but he knew he could bare this pain. If it was to support his wife, he was gladly all for it.
"You're almost there Hinata-chan! Just one more big push!"
"AH! N-N-aruto-kun... I- I- I can't-"
"Yes you can, Hinata. I believe in you. You're almost there! We're gonna welcome our son into this world! Believe it!"
The sudden pain was too much as she let out a loud scream, soon drowned out by the small wails of the little boy in Sakura's arms. She quickly cut the umbilical cord and walked towards the two proud parents. A huge smile was on her face as she leaned slightly, allowing the couple to see their son.
"I am proud to announce the birth of your son! Congratulations Naruto and Hinata-chan!"
He felt his body shake in happiness at seeing the small bundle in his best friend's arms. As much as he wanted to hold him, he was scared of dropping the little guy. He turned to look at his wife, who laid in the bed trying to catch her breath. She looked so tired but a huge smile was on her face as tears fell from her eyes.
"He's so beautiful..."
Sakura smiled, "Would you like to hold him?"
Not trusting her voice, she nodded before allowing Sakura to place the newborn boy into her arms. Sensing he was safe, his wailing stopped as he leaned into his mother's arms. Hinata rested her head against the small one, placing a small kiss to his temple.
"Wow... I'm really a father..."
She looked up at Naruto with a huge smile on her face. He saw the tears in her eyes and wiped them away with his fingertips.
"How does it feel, Naruto-kun? You have a family now."
The reality of her words crashed onto him and he couldn't stop the tears from flowing down his cheeks. As gently as he could, he wrapped his hands around Hinata and their son, kissing both of them on their cheeks.
"I have a family now."
She grinned at her husband, who had his eyes on their newborn son.
"What should we call him, Naruto-kun?"
He sat there, his eyes filled with love and the name just tumbled from his lips.
"Boruto. His name will be Boruto Uzumaki."
As he stared at their new son, she turned her head towards the photograph that laid on the table beside them. She couldn't stop the tears from falling as she saw her mother and father together, her uncle stood on the other side of her mother. Neji was standing beside a small Hinata as the newborn Hanabi laid in her mother's arms. She had a feeling her sister had something to do with that choice, but she wouldn't have it any other way. They were all smiling, happiness in their eyes as her little sister was born, as though it happened yesterday.
"Neji-niisan... Thank you.."
Turning to look at her own family, she kissed Naruto on the lips before whispering,
"Welcome to the Uzumaki family, little Boruto."
