Disclaimer : I do not own Katekyo Hitman Reborn!

Hi there~

This is the third fanfic I'm writing. I got the idea from the fanfic 'Primo meets Decimo' written by Fate Camiswhil. So, credits to her~

A/N

"Normal talking"

Thoughts.

Just a small explanation : Even though the title is Neo Primo but Tsuna isn't Neo Primo. He's Giotto's son 10 years later. it's just a title.

Just to tell the readers, the age of the first generation is :

Giotto- 21

G- 21

Asari- 21

Knuckles - 22

Lampo - 16

Daemon - 23

Alaude - 23

And Tsuna is 4!

I hope all of you enjoy the story!

On with the story~

~Chapter 1~

~Neo Primo Arrives~

It's a normal day in the Vongola mansion. Every person in the mansion is doing things they normally do. In a room, a man with blonde hair and sharp orange toned eyes is concentrating on his paperworks. He put down his pen when someone entered the room.

"Giotto, have you finished the paperworks?" The person who came in asked.

"Not yet, G." Said Giotto as he lay down to rest on his chair. He closed his eyes to rest. Giotto let out a small sigh. The paperworks are endless. Giotto was a mafia boss for the Vongola Family, a family he created just a few years ago. Thinking back, Giotto smiled at all the memories on how he met all his guardians and how they helped him in forming this family.

"Need a cup of coffee?" The man with a chin-length, almost pink, red hair, G, asked.

"Yes. Thank you." G went out after hearing Giotto's answer.

Giotto sat up and picked up his pen, concentrating on his paperwork. But then, just when Giotto wrote something, he heard footsteps outside of the room. So, he put down his pen again and waited for the owner of the footsteps to enter.

"Giotto~" A green haired teen came in wailing.

"What is it?" Asked Giotto.

"I'm bored~"

"Don't tell this to me when I'm doing all this paperworks!" Giotto sighed. He's so busy doing paperworks which he hates so much but here, Lampo was being bored, doing nothing instead. Life just isn't fair. "So why are you here?"

"Play with me~" pleaded the teen.

"I have lots of work to do, Lampo. Go bother someone else." Giotto rejected Lampo.

"Eh~ But there's no one else. And ore-sama isn't bothering anyone!" Lampo said lazily.

"Then go back to your room and do nothing. Stare at the wall or something, I don't care. Just don't bother me."

"But-" Before Lampo was able to finish his sentence, someone interrupted them.

*Knock Knock*

"Giotto, sorry if I interrupted you guys." A man with black hair and dark eyes came in and started talking. "But I came to inform you the information about the mission." The man walked closer to Giotto's table. He put down a stack of papers.

"Oh, Asari, it's okay, so what about the mission? Is it successful?" Giotto asked him.

"Yes, it's successful." Giotto's rain guardian, Asari smiled gently at Giotto.

"Good then. Thank you for your hard work." Giotto smiled back at Asari. Asari's smiles has always made Giotto's mood better. "Erm, then what is this stack of papers doing here?"

"Oh, this is...caused by the property I destroyed when I'm carrying out the mission." Asari smiled again.

"...How much did you destroy to produce this amount of paperworks, Asari?" Giotto smiled but Lampo and Asari can clearly see that a vein popped.

"I'm sorry, Giotto." Asari hurriedly added. "I'll help you with the paperworks."

"Haa, never mind, you must be tired from the mission, you should go and rest." Giotto let out another sigh.

"Really? Okay then...I'm very sorry." Asari left after informing Giotto some important details about the mission.

"Primo." A man with blue hair came in.

Why is everyone coming one by one? Thought Giotto.

"What do you want, Daemon?" Asked Giotto. "Please don't tell me you have more paperworks for me."

"Nufufufu, no worries, Primo. There is none. I came to tell you that skylark-kun just came back from his mission as well."

"Hm? Okay, that's good to hear." Giotto felt relieved.

"But here's the paperworks caused by skylark-kun."

"Even though it's not you, but Alaude, IT'S THE SAME! STOP ADDING PAPERWORKS FOR ME!" Giotto yelled as he stood up. "Lampo! Tell Alaude to come here this instant!"

"Y-Yes!" Lampo went out hurriedly to find Alaude.

Lampo returned with Alaude after a few minutes.

"Alaude, why did you destroy unneccesary properties? Can't you do your mission less violently?"

"Hn." Alaude replied shortly.

"Don't 'Hn' me!" Giotto shouted angrily, demanding an explanation.

"Those are in my way." Alaude finally answer normally.

"You can't destroy every thing that stands in your way!" But Giotto got even angrier.

"Hn." Alaude turned his head away.

"Sigh. Now all of you go out. I need to do my paperworks." Giotto let out a sigh. He's been sighing a lot today.

Everyone went out as Giotto wanted. He now have more another load of paperworks waiting for him. He hated this part of his job.

"Haa. Why is all my guardians like that..." Giotto sighed again and just then G came in with a cup of hot coffee.

"Here, Giotto." G put down the cup of coffee.

"Thanks, G." Said Giotto as he took a sip of coffee. "The coffee you brew had always been the best." Giotto smiled.

"I'm leaving then." G took some of Giotto's paperworks and walked out.

"Wait! Those-" Giotto stopped G.

"I'm helping you, that's too much for one person alone." G replied without stopping.

"Thanks a lot G! You're my best friend!" Giotto felt so happy.

"..." G said nothing and closed the door.

Giotto looked at the paperworks. Even though G took some, there's still some that Asari added just now.

"Sigh." Giotto took another sip of coffee when the door opened again.

"Who is it again!" Giotto said immediately when he heard the door opening.

"I-I'm sorry..." A small and meek voice replied.

Giotto looked closely and see a little boy that look a lot like him. Except the eye colour that's brown instead of Giotto's orange and the hair colour that's brown. He looked about 4. He's wearing a blue shirt with hoodie and a brown shorts. He looked so cute. Giotto had always like little children.

"Ah, I'm sorry too. I thought you were someone else." Giotto stood up and walked to the door. "Why are you here? What's your name?" Giotto squat down.

"I-I'm lost... and Reborn tells me not to tell strangers my name."

"That's cute, you're such a good and smart boy." Giotto smiled and patted the little boy. "How old are you?"

"...F-four." The little boy said nervously as he fiddled with his fingers. Giotto felt all his stress gone just by looking at this cute little boy.

"Who's this Reborn you're talking about then?" Giotto continued the conversation.

"That would be me." A manly voice rang from behind Giotto. Giotto turned and looked. A man with a black, orange suit with a fedora is standing there. His fedora covered his eyes.

"Reborn!" The little boy ran towards the man, namely Reborn.

"Tsuna, I told you stay put and don't come out, didn't I?"

So his name is Tsuna? Giotto who heard their conversation thought.

"I-I'm sorry...I'm scared so I came out to find you..."

"Well, Buongiorno, Primo." Reborn turned and greeted Giotto.

"Hm? Who are you? And why are you here?" Giotto asked.

"Does this clarify your questions?" Reborn took out something. Giotto look closely and realized it's a pacifier.

"A pacifier? That means...you're an Arcobaleno."

"That is correct. I am a professional hitman as well."

"What business do an Arcobaleno has with me?"

"I'm here only for a short while, I do not have a lot of time. I will make it short. I came here only to put Tsuna, this little boy here, under your care."

"Him? Why? What do you mean only for a short while?"

"I came from the future and you must have discovered that this boy here look a lot like you, do you not? It is because, he is your son, Sawada Tsunayoshi."

"Future? That doesn't make sense... But he do look a lot like me. But I'm not even married, how could I have a son?"

"Like I said, we are from the future."

"..." Giotto said nothing but showed a confused expression.

"Tsuna, show your flames."

"Ah, o-okay..." As soon as Tsuna answered, he close his eyes and flames started appearing on his forehead.

Such pure sky flames...I guess It's true then.

"I don't care if you believe it or not. The future is now in a chaos so I must leave him here. There is no one else whom I can leave him with."

"Fine, I will believe you, but what kind of chaos? What's happening in the future?"

"I cannot tell you."

"Why is that so?"

"Because the future might be changed, and that could be bad."

"Fine. How long will it take for the chaos to end?"

"I do not know. But it won't be long."

"E-eh? Reborn, you're leaving me here? I don't want to! T-take me with you!" Tsuna pleaded.

"No, I'm leaving you here. You do understand that the mansion is now very chaotic, right?"

"Y-yes..."

"And that man over there is your father."

"E-eh? Father? But no one told me I had a father..."

"It's a lie. Now, get used to it but don't get too attached. I will come back soon. Arrivederci, Primo." Reborn disappeared into a orange coloured flames after he bid his goodbyes.

"Ah, Reborn! Don't leave me here!" Tsuna started crying when Reborn disappeared. "Sniff...Sniff..."

"Tsuna, don't cry, I'll treat you nicely, okay? He will come back soon, he said so himself, didn't he?" Giotto squat down picked Tsuna up, hugging him. Giotto smiled at Tsuna and Tsuna stopped crying.

"Hm...So, you're called Tsuna? It's a cute name." Giotto liked the name in fact.

"Y-yes..." Tsuna looked very scared. But Tsuna felt comfortable being around Giotto. It's the first time Tsuna felt this way when he's with a stranger.

His father. He never knew he had a father. All of them told him his father is dead every time he asked them.

"My name is Giotto, you can call me Daddy if you want to." Giotto smiled warmly. He liked kids a lot, especially kids as cute as Tsuna.

"D-daddy?" Tsuna tried and said it.

"Yes?" Giotto's smiled even wider. He patted Tsuna's head and Tsuna finally smiled.

*Bang*

Giotto put Tsuna down when someone barged in. It was G. His always worrisome right-hand man.

"Giotto, I heard some noise just now. Some of the maid said they seen someone coming into your office through the window. Are you okay- Huh? What's this kid doing here?" G barged into the office and yelled anxiously. Giotto realized that all his guardians are behind G. Even Alaude.

"Hey, don't this kid look kinda like Primo?" Lampo said when he saw Tsuna.

"Hmm, when you say it, they do look alike. Only the colours of their hair..." Asari agreed with Lampo.

"Giotto, you had a child? At this age? You're too young to have a kid!" Knuckles, Giotto's Sun Guardian, said.

"Oya...Oya...Primo, what have you been doing..." Daemon said while smirking.

"..." Alaude stared at Giotto without saying anything.

"Giotto..." G looked at Giotto shockingly.

"Hey! Stop it, you guys! Listen to me first!" Giotto stopped his guardians chatting and continued. "Well, he is my son."

"What?! It's true?" G reacted and replied the quickest.

"I'm disappointed in you, Giotto...Sigh...How could you commit such sins...You're underaged..." Knuckles sighed.

"Hey! Listen to the end! He's my son but he's from the future! 10 years from now!" Giotto explained immediately to clear the misunderstanding.

"What? Future? That doesn't make sense. Are you sick, Giotto?" G asked worriedly. As always, the worrywart, G worries about Giotto every single time.

"It's true! One of the Arcobaleno came and left him here!" Giotto explained more detailed.

"Hmm, but it's not so convincing..." Asari mumbled.

"...Ah! Right. Just now, Tsuna lighted his flames in front of me. It's pure sky flames, just like mine. Tsuna, can you show it one more time?" Giotto who suddenly thought of something that can clear this misunderstanding.

"Y-yes." Tsuna did it again and flames appeared on his forehead.

"W-wow, it's true!" Lampo stared at the flames closely.

"Well, they do look alike..." G mumbled.

"Didn't I say so just now!" Giotto said to all of them.

"Okay, okay, sorry." G apologized not very sincerely.

"So, this is Tsuna, Sawada Tsunayoshi." Giotto introduced Tsuna to everyone.

"Hello, Tsuna-kun. Tsuna is a nice name." Asari smiled at Tsuna. This man seem nice...

"Tsunayoshi! Nice to meet you to the extreme!" Knuckle punched the air above him. This uncle is a bit weird...

"Nufufu, Hello, Tsunayoshi-kun." Daemon greeted the little boy. A person with weird hairstyle...

"Yare, yare, Tsuna, huh. Now we need to take care of a little brat." A person with weird hair colour...

"We already are..." G mumbled softly but Lampo heard it.

"What did you say, Pinky? Ore-sama is not a brat!"

"Did I say you're the brat? And my hair is red! Not pink! How many times do you need me to repeat!" G chased after Lampo.

"By the way, lunch's ready, Giotto, do you want to eat now?" Asari asked.

Giotto looked at his watch and turned his attention towards Tsuna. "Tsuna, are you hungry? It's time for lunch, do you want to eat? I'll introduced you to all the uncles here."

"U-um, okay..." Tsuna answered softly. He isn't used to so much people around him.

"Well, let's go to the dining room then." Giotto picked up Tsuna and walked to the dining room with all his guardians.

End of the first chapter! Thanks for reading! I will update soon. I will focus more on my other fanfic, 'Lucia'. Do check it out if you have time!

Please forgive me for the grammatical errors!

There will be more about Tsuna next chapter. And all the other kids will appear soon, maybe a few chapters later!

Please review and tell me what you think of this fanfic!

See you soon~