This takes place after the latest (and sadly last) arc of Reborn! Manga.

Full Summary

Giannini slipped and the ''upgraded'' Ten-Year Bazooka fell on Tsuna. What Reborn expected was a TYL Tsuna but what really came was still the ''same'' Tsuna but onlydifferent. On the other hand, our Tsuna fell on a desk and chair and when he went outside to the hallway, he meets Hibari, Yamamoto and weirdly a silent, and slow-speaking Ryohei. Trapped in these alternate universes, they must find a way to get our two Tsunas back to their own universe. (NOT YAOI. NO PAIRINGS)

It was normal Saturday morning when the doorbell to the Sawada household rang. Nana opened the door and saw a small man in a round-like machine. When Tsuna went down from his room to check who it was, he knew it to be none other than Giannini.

"Giannini!" Tsuna shouted. Nana, realizing that these two are familiar, smiled.

"Oh my, you know Tsuna? Well then come on in." she motioned him to come in.

"Thank you very much." And Nana bowed and went back to hanging clothes on the liner. "It has been such a long time, Juudaime." Giannini said. It has certainly been a long time since they last met… Somewhat.

"Uh… yeah… Wait… NO!" Tsuna shouted. Which made Giannini flinch for a second.

"Umm… What is it Juudaime?" he asked as he held out his hand shaking

"I mean, why are you here? Did Reborn invite you?" He replied with an apologetic tone

"Yes I did. That aside, Tsuna, could you at least move I can't go down." Behind Tsuna appeared a little baby in a mafia suit and a fedora hat.

"Hiiieee! Reborn! When did you get there? Uh… Woah!" Tsuna fell down from the staircase and just in time, Giannini dodged the fall.

"Oh good." Reborn said while smirking as he went down the staircase and went to the living room. Just before entering the living room he said "Oh, and if you need me I will be in there."

"Ok." Tsuna and Giannini replied. They watched him as he enter the living room and when he was out of sight, they turned to each other. Giannini offered a hand to help Tsuna up.

When he turned his attention again back to Giannini, he wasn't there. He looked to his side and he saw him coming into the living room.

"Ah Matte! Giannini!" he said following him

Inside the living room was awkward silence. Tsuna was just there sitting infront of Reborn who's reading a magazine and Giannini was behind him 'upgrading' Lambo's Ten-Year Bazooka. Tsuna watched Giannini as he worked from behind and he knew how much concentration he put in his work although Tsuna had some doubts about the finishing product. Giannini was inspired by his future self when Tsuna came back from the future. Each small sound Tsuna would make, Giannini would stop for a second and then continued working.

"Nyahahaha! You can't catch me!" shouted Lambo as he entered the room with Ipin. Giannini, being surprised and all, accidentally let go of the bazooka which sent it flying towards Tsuna. "Juudaime/ Dame-Tsuna!" shouted Giannini and Reborn. It hit Tsuna and he disappeared as pink smoke came out. Luckily, there weren't any other victims. The two waited for the TYL Tsuna to appear but what did appear was the same Tsuna. 'Same'

"Huh?" Tsuna said as he stood up. "Reborn?" He turned to Reborn who stood there in surprise.

"Why am I at home? I should be at school right?" He turned to Reborn who was deep in thought. What is this? It's Tsuna at the same time it isn't. He doesn't this tone of voice ever. Unless of course, he's in Hyper Dying Will Mode.(He was using the deep voice)

Then Nana, Tsuna's mother came in wondering what was all the ruckus about. "Tsu-kun? Is the something the matter?"

Tsuna's eyes widened at the sight of his mother "Mother…"

Nana's face tilted in confusion in hearing the word Mother come out from his mouth instead of Mom. She laughed it off "Oh! Ahahaha! Are you okay Tsu-kun? You seem to be a little off today."

"You're smiling…" Tsuna muttered. His eyes were getting teary until Reborn interrupted

"Don't worry about it Mama. It's something I just told him to do." Nana again tilted her head and put it straight again and smiled. "Oh okay! It's nice to see Tsu-kun listen to his tutor." And she went back to hanging clothes while humming a song. (Let's just say it's Listen to the Stereo… Love that song!)

Tsuna turned to Reborn, wiping off the tears that were forming in his eyes. "What is the meaning of this Reborn?" he asked with a straight and serious face

At the sight, Reborn got serious too. He asked Giannini to leave and so he did. He turned back to Tsuna and said "Think of this as a test Tsuna, First of all… tell me all about yourself… Everything."

Reborn was suspecting something and to add more to it. It's been more than 5 minutes.

- As for our usual Tsuna-

"Ahhh!" Tsuna screamed as he fell on a desk and a chair also leaving pink smoke.

"Sawada?" the old man in front of a board asked with concern.

"Juudaime?" asked a silver-haired guy as he leaned forward on his desk

"Tsuna-kun?" a red-head with bandages asked with concern

"A-Ahhh! Sorry!" Tsuna shouted with his eyes closed. (So it's like this DX) When he opened his eyes, he saw all of his classmates' attentions were directed at him. He began to sweat in the awkward moment he just created.

Huh?! Something tells me I should get out of here now… Maybe I should. Tsuna thought

"Umm! I have to go to the bathroom!" Tsuna rushed out to the hallway. It's a school day? He wondered.

.

. Meanwhile back in the classroom, the students were murmuring to themselves

"That was weird."

"Yeah… What's with Tsuna and his clothes?"

"Is Juudaime sick? His voice sounded weird."

"Somehow… He looked… pathetic…"

"Tsuna-kun…"

.Back to our usual Tsuna.

Tsuna was walking down the hallway until he saw Hibari. In fear of getting bitten to death he ran past him.

"Ah wait! " He shouted but Tsuna didn't hear him.

Tsuna kept running until he bumped into a tall guy which made Tsuna fall to the cold floor. "O-oww… Sorry!" When Tsuna looked up it was Yamamoto, Tsuna's eyes widened with relief "Ah Takes-" Yamamoto's eyebrow twitched and at the same time a mouth went over Tsuna's mouth.

"Sorry. We will go back to class now." The person who had his hand over Tsuna's mouth said. Tsuna identified the person to be a guy. He dragged Tsuna to a corner where they were out of sight, he whispered to him

"That thing you did back there was crazy." His hand was still over Tsuna's mouth but not Tsuna's eyes, he could clearly see the person right in front of him was Ryohei.

"Mphhrfff!" Onii-san?!

"Ah sorry, Tsuna." Ryohei said removing his hand from his mouth. Tsuna?

"Umm… Why?" was all Tsuna could say. Then behind Ryohei appeared Reborn.

"Reborn?!" shouted Tsuna. Ryohei and Reborn exchanged looks at each other and nodded

"For one thing, keep quiet." Reborn said with a dangerous look in his eyes

"Plus, Tsuna… Are you sick? You… sound weird" Ryohei said slowly which confused Tsuna since Ryohei would usually shout out EXTREMES and would speak straightforwardly not slowly. Tsuna then realized. It's been more than 5 minutes right? Wait, this ain't the future. I just noticed! Tsuna shouted in his mind. Reborn just stared at Tsuna, observing him.

Reborn cleared his throat, directing his attention to him. "Think of this as a test Tsuna… Tell me about yourself… Everything."

- Then both Tsunas replied with an "Eh?"

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