Mechanical Bonds

Summary: Tsuna decided to appoint new guardians after becoming the Vongola Decimo officially. He does not give the rings to his friends. Instead, robots were appointed as guardians for the first time in the entire Vongola history. No one can do anything to change Tsuna's mind, not even Reborn. Then something goes wrong with the robots and Tsuna faces death. Will human bonds win over the programmed robots?

Chapter 1

The Decision

Author's Note: Thank you for taking time to read this fan fiction. It is a request for Ngan Anh Nguyen / Flame-chan who requested it last year *cringes* (So much for procrastination…)

In any case, as we move along you may drop me ideas and suggestions of things you might like to see. I apologise for the lack of pairings because this is 'family' themed. I personally like 1827 and have written one called Finding Love in Darkness among many others. You can find it via my author profile on .

Without further ado, please enjoy the story *bows*


Xxx Destiny Aitsuji xxX


Coming back from the future, after defeating Byakuran, made Tsuna mature much faster than anyone could have expected. Not even Reborn could understand what the brunet was thinking. Tsuna had been pleasantly obedient and Reborn thought the boy had finally came to terms about having his friends become part of the mafia group.

Yamamoto in the future had lost his father. Hibari lost his freedom. Lambo lost his childish innocence. Ryohei broke his promise about not fighting. Gokudera lost his independence. Mukuro lost his will to destroy the mafia. Chrome lost her quiet nature. Tsuna had seen it all and Reborn was fairly surprised the boy was taking it so well.

Tsuna went to school as usual, did his homework and slept as per normal. There was nothing out of the ordinary. He visited Irie more often with Spanner. Reborn did not pry because he was happy his student was gaining more powerful allies.

However there was a nagging feeling that Reborn did not understand. Tsuna was behaving in an ideal manner so why did Reborn feel uneasy? The fact that the brunet no longer denied the position of the Vongola Decimo in training was a drastic improvement. Somehow that did not make the Arcobaleno happy. It made him worried.

Something was off about Tsuna and Reborn was going to find out soon.


Xxx Destiny Aitsuji xxX


The day of the coronation arrived. Tsuna was going to become the official Vongola Decimo and Timoteo was going to step down. The old man agreed to Tsuna's request of making it a low profile event that only the heads of the Vongola and their allies may attend with a few exceptions.

Dino was almost too happy to see Tsuna take on the position of the Vongola Decimo. He could not wait to serve and assist the young boy he considered a younger brother. Timoteo was smiling as well. Reborn on the other hand was irritated. Where were those guardians of Tsuna's? They were supposed to be there for the official announcement of the Decimo guardians.

Tsuna cleared his throat to get everyone's attention. Once the hall was silent, Tsuna smiled. It wasn't the warm one that Reborn often saw. It was a professional smile, the smile of a Vongola Don.

"Thank you. As Vongola Decimo I would like to introduce the Decimo guardians officially. Irie and Spanner please show everyone my guardians."

Reborn was frowning. Why would Irie and Spanner be responsible of ushering the guardians? His question was quickly answered by six similar looking robots, each one having a different colour according to their flame element.

"Let me introduce to everyone my official guardians. They are a special batch of Mosca hybrid created by Vongola's talented engineers: Irie Shoichi and Spanner. They have been programmed with the ability to multiply high quality flames taken from each of my previous Decimo guardian candidates and replicated inside. Also, they have proven to be more capable and reliable than any human guardians. The extra high intelligence and lack of exhaustion makes them the most efficient guardians. I will not have anyone treat them with less respect than you would treat me. There will be no objections to this. With that, thank you for coming today and let us close the ceremony with the Vongola oath."

Reborn and many other allies Dons were shocked beyond words. Mechanical guardians were unheard off.


Xxx Destiny Aitsuji xxX


"Tsuna! What were you thinking? Those were machines… it's unheard off for robots to be made guardians…"

Tsuna sighed. "Well, the Varia made a Mosca a cloud guardian. I don't see why not."

Dino almost tore his hair out of frustration. What would Kyoya say when he found out he was replaced with a machine?

"I don't know Tsuna… I really don't think this is a good idea."

Tsuna smiled at the Cavallone boss. "Don't worry. It's the best thing that has happened since I got caught up in the Vongola mess." Dino shook his head. There was no convincing Tsuna otherwise when he made up his mind.

"You've made up your mind and what I say won't change your decision. However do know that there are things that only humans can do. Machines and robots can never take the place of human guardians chosen by the boss in a famiglia. You will learn that in due time."

Tsuna smiled and nodded as Dino left in his car with Romario. The young Don smiled sadly. "I know what you're talking about Dino-nii. The love from friends and guardians can never be replaced by machines. Mechanical hearts don't function the same way as a human heart. Fortunately, when a mechanical heart stops beating, it is easily replaced. One cannot be said of the human heart. I hope you understand. I just don't want to lose anyone again. I'm not that strong."


Xxx Destiny Aitsuji xxX


Reborn hosted a meeting at Kokuyou Land. Mukuro, Chrome, Ken, Chikusa, Hibari, Ryohei, Gokudera, Lambo and Yamamoto gathered. They were silent after Reborn told them about Tsuna's new guardians.

Hibari merely said that the meeting was a waste of his time and left. Mukuro chuckled and then said something similar before vanishing in mist. Ken was fuming and Chikusa was holding Ken down.

Lambo did not understand much. All he knew was the fact that Tsuna did not want him anymore and started crying. Ryohei punched a wall nearby and reduced it to rubble before announcing he was going to have an extreme talk with Sawada.

Chrome was silent throughout and no one knew what she was thinking. Gokudera cursed and bit back frustrated tears. Yamamoto's smile dropped and pain was reflected clearly in his eyes. No one knew what to make of the situation anymore.

"Why would Juudaime do this? We've been through thick and thin haven't we? We've been to the future and saw how it was. Why would he… why would he…?"

Yamamoto didn't say anything. Instead, he gave Gokudera a friendly hug to comfort the man who was crying uncontrollably. Of all of them, Gokudera had to be the most emotional person after Tsuna. Chrome said nothing still. She merely watched. Deep down in her heart she still believed Tsuna was the same kind person she came to know and love. He must have his reasons for doing what he did and Chrome was not one to question it. She loved her boss more than anyone else, Mukuro excluded.


Xxx Destiny Aitsuji xxX


Author's Note: Done! Chapter 1 is up faster than I anticipated. In any case please do leave a review because I love reading them ^^

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Once again, thank you for reading! See you next time ^^