This happened after the Future arc. A space and time disruption bring them into the great pirate era
Disclaimer
I do not own KHR, One Piece and any thing that resembles other games and anime in this fanfic
Mafia vs Pirates
Chapter one: Space warp
Tsuna's backyard:
"Get behind me tenth, I protect you" said Gokudera "What are you doing here Verde?!"
"Calm down Gokudera-kun" said Tsuna
"VOOOOOIIIIIIIIII! INVITING US HERE AND NOT WELCOMING US AS GUEST" said Squalo
"Ushishisi, your always noisy" said Bel
Squalo and Bel quallered for some time.
"Why is the Varia here anyway tenth." Gukudera wispered to Tsuna
"My dad invited them, we can't help it."replied Tsuna
"Yo! Tsuna, Oh Squalo's here to" said Yamamoto "I brought some sushi"
"He calls that some"Tsuna thought after looking at the cart full of sushi.
"VOOOOIIIII! Brat what is it that you really want?!"said Squalo
"Ciaossu!"said Reborn as he popped out from the wall.
"Well wait unit the other guardian are here" said Reborn
"EXTREME!" shouted Ryohei as he jumped over the fence.
After a few Idle chats later Chrome, Mukuro, Kyoko, Haru, and Hibari was there.
"I'll explain why I brought all of you here." said Verde
"I need you guys to test this space transportation device, it runs on dying will flames."
"Then why did you invite us here." Interrupted Xanxus
"Well for one reason, this require about 30 million fiamma volts" said Verde
"You guys can produce the other half while theVongola produces the other half" he added.
They Started producing the flames and then a flash of light engulfed the whole backyard and they disappeared.
Meanwhile in an Island it the Grand Line;
"Yosh, embark here and gather supplies" said Luffy
They left Zoro in the ship while gathering supplies.
Just right when they returned to the Thousand Sunny, a flash of light engulfed the whole beach...