Yo! People of ! Nice to see you!

...I've gone mad.

Well, this is my first non-thoughts-Vongola-Family/Tsuna's-Gang fic. Not sure if it's gonna be good.

Also an attempt on slight humor (might be sarcastic, though) and I'll write bits and pieces of my thoughts (nor exactly thought, more like, information/common sense) at certain places in this fic.

Disclaimer time. Let's invite the Tenth Boss of Vongola, Tsunayoshi, to disclaim for me.

Tsuna: I'm being forced to say this...

Me: Not exactly. It's for mine and your good.

Tsuna: Huh? My good?

Me: If I don't disclaim it, I can't write a fic. And when I can't write a fic, you don't get screen time.

Tsuna: ?

Me: Never mind. Just get on with it. Time is precious, right?

Tsuna: Er...Yeah..Anyway, Yutaka Satoe-san does not own Katekyo Hitman Reborn, or me. It belongs to Akira Amano, the creator of Katekyo Hitman Reborn, and me. Thank you.

Thank you, Tsuna. OK, on with the story. (Yeah, I like to waste time thinking of an author's note.)

PS: If you don't want to read the part on how the new girls got introduced to the class, you can always skip to the italics somewhere at the end, which is on how they bent their gender.:)

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The two new students stepped in. Well, not exactly 'new' students. At least, to a certain raven haired man sitting at the end of the class. He smiled. Only he knew exactly what to expect.

"Please introduce yourselves." The teacher said.

One of them spoke. "I'm Sawada Tsunako. Nice to meet you. I'm Tsunayoshi's...er, cousin."

Before anyone in the class could even utter a word, the other stepped out. "Gokudera Hayate. Hayato's twin sister."

Whispers broke out almost immediately. "Hayate? Isn't that a guy's name?"

"What? I didn't know Gokudera-kun had a twin sister!"

"Kya...she's so cute..." (A/N: WHAT?!)

The teacher clapped twice to get the class' attention. "Please, quieten down." Obviously, everyone did. The teacher continued, "These two girls might need your help, so I'll appreciate it if you can lend a helping hand to them. Now, girls, please take any empty seat."

Well, since two students went and two came, the 'new' students took the seats of those two that 'left' -- Gokudera Hayato's and Sawada Tsunayoshi's old seats.

Hours of boring school work passed...with absolutely no interesting events...

DING DONG DING DONG.

Oh, yes! The merciful school bell! Tsunako heaved a sigh of relief. The dreadful lessons are finally over, although for a short lunch break. She stood up to proceed to the roof, but somehow, the students in her class could move uncannily fast, and just as she turned to walk, students surrounded her.

"Hey, hey, I didn't know Sawada Tsunayoshi had a cousin."

"Why are you here? What happened to Tsunayoshi?"

"Yeah, yeah, what happened to Dame-Tsuna?"

Tsunako felt a small bead of sweat trickle down her cheeks. "Er...you see...Tsunayoshi had to, er, go to ,er, Italy for some school thing..."

Tsunako's obviously not good at lying.

"TENTH!" A not-so-familiar voice called out from the end of the class. It was Gokudera Hayate.

"Er, I'm sorry, but I gotta go." Ignoring their protests, Tsunako gently pushed past them and rushed out of the classroom, bento in her hand, following the familiar route to the roof.

She reached there, panting. Gokudera was behind her. They walked to Yamamoto, who, by some ways and means, reached the roof before them.

"Ahahaha, Tsuna, you came up with some story...I think it's convincing."

"OF COURSE, YOU BASEBALL-NUT! THE TENTH CAN ALWAYS COME UP WITH A GOOD AND CONVINCING STORY ANYTIME!" She turned, "Right, Tenth?"

"Yeah..." Tsuna answered hesitantly.

"Yours was good too, Gokudera. Saying that you were "Hayato's" twin sister is a bold move, but since no one knew much about your family, it doesn't really matter. I'm sure some people in the class doesn't even know Bianchi is your older sister."

"Whatever. I still need time to get used to being a girl..." Somehow, those words brought the trio back to the previous day...

Flashback(Starts here)

"OY!! YOU STILL HAVE TO TEACH ME ABOUT YOUR SECRET BOMB TECHNIQUE!! SHAMAL!!" Gokudera Hayato argued.

"Maa, maa, Gokudera, no need to be so angry. I'm sure he'll teach you eventually, right, Doctor?"

"Hm..." Shamal looked at Yamamoto. "No way."

Silence. Stares at Shamal.

"Guys..." Sawada Tsunayoshi tried to break the ice (but since he spoke so softly, there was practically no difference at all). "We shouldn't be arguing in this place...I mean, it's summer, and it's hot..."

"...And we're in a rather small and enclosed space..."

(Just for those who are curious. That pathetic little clinic that has only a bed, two tables and some charts isn't supposed to house 4 people. Oh, and minus the bed part for their walking/sitting space. No one's sitting on the bed since it's enclosed in curtains.)

Shamal looked at him, and then at Gokudera with a new interest gleaming in his eyes. "Hmm...I think you'll do...The both of you..."

"WHAT ARE YOU SAYING?!" Gokudera yelled.

Shamal inched away from the latter. Digging into his pocket, he pulled out a capsule-like thing and tossed it into the air.

It happened so quickly that no one knew what was going on until the effect was obvious.

POOF!

White smoke surrounded Gokudera and Tsunayoshi. It soon cleared, but that was the least of their problems

"...Why are you guys staring at us?" Tsuna asked the gaping Yamamoto and the smiling Shamal, before clasping his hands around his mouth. What happened to his voice?!

"Ah-T-Tsuna...G-Gokudera..." Yamamoto stuttered, still looking like the most idiotic fish in the seven seas.

"WHAT?!" Gokudera yelled, before his hands went around the mouth too. Something was wrong, definitely wrong.

"Oy...My voice wasn't this high a minute ago." He muttered, palms muffling the voice.

"Actually, it was only thirty-nine point seven two seconds ago." The grinning-like-there's-no-tomorrow doctor informed him, a ridiculous looking digital clock in his hand. (For those who are curious, it was all pink, a picture of a woman wearing this...[I can't explain it] bikini and cheesing for the camera at the top of the clock, and the subtitle was "F-L-I-R-T". Ew.)

"SHUT UP!!"

Bzzzz....

A mosquito buzzed around Shamal. No wait, it was a TRIDENT MOSQUITO.

"WHAT THE HELL?!" Gokudera yelled in the foreign voice of his.

"Newfound disease 667, Gender-Bender Disease, experiment-Success."

End flashback

And so there they are, sitting on the floor of the roof, trying to behave like girls. It was weird. No, too weird. A guy one day, and a girl the next; how much worse can it be?

Oh man, it's gonna be a hard time adjusting to this...

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Ok, let me acknowledge my good buddy, thebloodstained-sky for helping me edit this. THANKS, SKY! (Don't ask me anything about the name)

The next chapter might take a while. A LONG WHILE, but it will come out...eventually. So please READ and REVIEW! :D