A/N: Still PARALLEL WORLD = Para! Tsuna. :D This is the last flashback chapter. The next chapter will revert back to the present time.

There was only silence at first before a menacing hum was heard, "hmmm, I wonder…" the brunet turn his head to their direction. His eyes were now visibly dull. "I wonder if all of you here can escape alive."

Mukuro smirked, "Kufufu, he broke."

"What did you do?" Reborn venomously asked already primed to pull the trigger.

"Kufufu, nothing special…just let him go through his past again." He simply answered not even bothered at the gun directed at him, "his past where he had taken the life of his very own friend."

Chapter 9

It was expected to the arcobaleno not to show any expression. Many years of training and experiences, the hitman won't allow his façade to break now. Not even after knowing what his student –supposed to be Vongola Decimo – had done in his past. However, he can't deny that he was actually shock.

"Y-you're lying!" Gokudera stuttered at first but yelled at the escapee after making up his mind to just trust his Jyuudaime completely forgetting the threat the brunet had spilled earlier. His Jyuudaime who he had oath to give his whole life to. He then took out his dynamite, prepared to bomb Mukuro already. "Right Jyuudaime?" he turn to the brunet who seemed to just decide to listen. "This escapee is just sprouting some nonsense since there's no way you could take someone's life especially if it's your own friend."

Silence. Instead of earning a response to the brunet. There was only silence.

Gokudera lined his brows in confusion. His trust, starting to waver again. "Jyuudaime…" he whispered. 'I trust you.' he turned and shot a glare to the escapee. "Go to hell Mukuro!" he yelled and started throwing bombs at him.

Mukuro was just simply dodging, tossing, and unlit the other bombs with a combination of creating illusions to make the hurricane bomb paranoid in many ways.

The arcobaleno narrowed his eyes at the one sided fight turning his sight to his student who seemed to be enjoying watching the fight with his dull eyes. 'This is bad.' He thought before he noticed Yamamoto Takeshi walking his way to the brunet. His student noticed this as he turn his attention to the baseball idol in his still unreadable manner.

"Tsun-," Takeshi couldn't finish his word because of the sudden attack that the brunet had just did to him. He was punch in the gut. Hissing in pain on the ground, he heard someone smirked. It was familiar yet unfamiliar at the same time. Before he could raise to look at the brunet in obvious shock and confusion his head was already grabbed by the hand of – he denied to accept – his friend gaining a kick directed to his face and in his stomach afterwards.

He coughed. Blood spilling out of his mouth. 'What's happening? Why is Tsuna doing this?' he couldn't help but ask himself. His sight was blurry but he could still make out in his vision of the brunet taking something edgy before coming near to him to who knows what he's going to do next until he saw the toddler jumped out of nowhere and directed a kick at the brunet's face causing the latter to be tossed at the side while a pink haired lady, probably Gokudera's sister came near him before his sight darkened and soon lost his consciousness.

As this was in action, the silverette was still fighting the escapee not minding his surroundings and still trusting his Jyuudaime until Mukuro 'kufufu'ed' menacingly making him stop and turn to his boss who's now on the ground trying to stand up, his other hand in his face while giggling that turned an hysterical laugh later.

"J-Jyuudaime!" He was about to came running beside his Jyuudaime when Reborn had warned him by calling his name and told him to stand back. This made Gokudera's temper to rise. "Reborn! What did you do? Jyuudaime didn't do anything!"

Reborn ignore what Gokudera said just he keep staring to his now insane student.

"Hayato…" Gokudera tensed up hearing his sister spoke, at this situation, his phobia was still as strong as it is to his sister but he did took the risk to look at her. Weirdly, he didn't faint. Probably for not seeing her whole face due to the glasses she was wearing. He then wondered why his sister was on the ground. "…Reborn just stopped him from killing Yamamoto." Bianchi darkened her expression as she finish, it was only then Gokudera noticed the unconscious body of Yamamoto Takeshi on the ground that his sister was currently tending.

The hurricane bomb froze in his position, he still in denial. He refuse to accept that his Jyuudaime was the one who did it, he instead thought that his Jyuudaime was being possessed by the escapee. Yes, that was it. He needs to defeat Mukuro to stop this.

Everything will be back in the way it is once this is finish.

He turn to look at his Jyuudaime who was looking at him in a menacingly sharp manner with a grin wide spread in his face. 'That's definitely not Jyuudaime.' He thought before finally taking back his attention to Mukuro who's just observing them in amusement.

"Kufufu…" Mukuro laughed at the silverette in front. "If you're thinking that I possessed him…kufufufu," he trailed and laughed again before his eyes turned instantly stern, "then you're wrong." He finished as a trident magically appeared in his palm. "You see, this is how I possess, Gokudera-kun." Mukuro smiled before he disappeared in front of Gokudera and reappeared behind him, "first, I have to scratch them with this trident." He whispered as Gokudera stiffened but manage to get away to the escapee in time but it was not him who Mukuro was after.

Gokudera was in frantic looking every corner of the place to find the escape, 'where is he?'

"Kufufu…here Gokudera-kun," Gokudera immediately snap his head to where the voice was only to find his unconscious sister in Mukuro's arms while the escape was directing the sharp edge of the trident in her neck. "Look closely," he said and slowly scratch the trident in Bianchi's neck. "Kufufufu," it only took a mere second before Bianchi open her eyes, the same as Mukuro's. Bianchi took the trident from Mukuro and look down at the unconscious baseball idol, she then immediately scratch the trident to the lad. Takeshi Yamamoto who was supposedly unconscious is now awake with the same as what Bianchi had become.

Gokudera's mind was at lost. Really lost and terror was already warning him inside. He clearly saw how the escapee possess his sister and how his sister move like Mukuro, even the unconscious baseball idiot is now doing the same.

Mukuro need to wound a person before he could possess but his Jyuudaime was not wounded nor scratch. He turn to look at Tsuna who's being guarded by the hitman.

'No, this is all just lies, Mukuro can possess anyone, even him. Then why didn't he do so?' He shook his head. 'He was really lost.' He thought as he notice Yamamoto walk his way to his Jyuudaime holding the Trident in his hand. 'Jyuudaime…' he tensed up immediately running his way to the brunet forgetting what Tsuna's current state.

Just like any right hand man, Gokudera did what he is expected to do. He ran his way to the brunet's side to protect him. Gokudera was proud of himself, he's really suited to become his Jyuudaime's right hand man. He smirked.

Unknown to him, the brunet himself was grinning so widely Reborn could shrunk in fright if he was a normal person but of course he was not. So he keep still and watch how fast his student grab the knife that the brunet was supposedly going to use to take Takeshi's life that has fallen to the ground due to his sudden kick to the brunet. The knife was immediately stabbed to Gokudera's side. The silveretter was surprise at what the brunet has done looking questioningly at his smirking Jyuudaime.

"Jyuudaime…" Gokudera trailed as his body fell motionless on the ground.

The hitman couldn't react at the display of the nerving act. 'His student is insane!' he mentally screamed turning Leon into a gun and just shoot at his student but the bullet didn't graze the brunet. He didn't miss, he just didn't aimed directly at him. He was still a candidate after all.

The brunet was stop at his action and turn to the hitman pulling out the knife he had stabbed to Gokudera. "Reborn?" Tsuna was insane. Reborn decided. The hitman keep his gun pointed at the brunet. Tsuna was about to walk closer to the hitman when Mukuro instantly appeared behind him and did a hand chop gesture in his behind, this immediately made the brunet unconscious.

Reborn was still pointing his gun, not to his student but to the escapee Mukuro Rukudo.

"Kufufufu, you're welcome I guess." Mukuro said smirking.

"Why?" The hitman snarled.

"'why' what?" Mukuro innocently stared at the hitman, "why I decided to knock the Vongola out?" he paused, "why did I help you? Why did I do all this mess? Or…" he grinned "why do I know everything about the Vongola's past?" he utterly stared back. "Kufufufu… I…" he paused once again, "I'm sure it's not my obligation to answer you any of these questions." He smirked, "Kufufufu, I had my fun already. I am certain that he is quite pleased of what I did. Okay, I'm out here. Don't worry, I won't cause any trouble such as this anymore." He said as he turned his back at the hitman and walk to the exit but before he could entirely leave the room he turn to look back at the arcobaleno once again. "Oh wait, I can tell you one thing just for the fun itself…" Mukuro 'kufufu'ed' for the nth time, "I was there arcobaleno." He said and just disappear leaving the hitman staring at the exit he last saw the escapee.

End of Chapter