Abandoned as a baby, he was soon adopted and is now the younger brother of both Shizuo and Kasuka Heiwajima. Vongola's gonna get a nasty surprise when they find out the abandoned sky now belongs to Ikebukuro.

Amano Tsuyoi has been forced to stay with different relatives after his parents decided to explore the world. However, after a disastrous stay in Ikebukuro with his cousin Heiwajima Shizuo, he finds himself residing in the Sawada household. Tsuyoi is about to find out that there's only one thing worse than Yakuza and gangs. The mafia.

Tsuna and the others are invited by Reborn to go to Ikebukuro to meet a certain person and to extend their capabilities. While they think this will only be a sightseeing trip, it seems that Ikebukuro has more challenges set for them. -Sorry, first time writing a fanfic, so I still suck at summaries. Rated T for some violence.

Veamos... son 15 hombres, mas los chicos de donde vivía... eso sumaria... muchos?... Papá, ojalá pudieras explicarme el porque me mandaste con la familia Vongola y no me permitiste quedar en Ikebukuro con mi hermano... HaremxLectora. Dejen sus bellos comentarios gracias :3. Lamento el titulo, pero esta vez lo elegí yo, no Gedeon. :s no nos odien mucho por este Crossover.

A switch flipped when a Hibari engaged in a fight, and it wouldn't flip back until they were done. With Mikado, however, the moment his switch flipped, it would never be able to flip back all the way. He would be a beast even outside of a fight—or as Kyouya liked to say, a carnivore. And unlike his cousin, Mikado wanted to be able to find excitement in the dull. M - violent themes

Hibari Kyouya had always been attracted to power. So you know what'll happen when he took a trip to Ikebukuro and met a blond ex- bartender. Oneshot.

Izaya wonders who are those new kids in town? They seem to be some of the most interesting humans he has seen since the leader of the Dollars. When he finds one of this teens leaving Shiki-san's office he can't keep himself from asking who are them. But the answer he gets only makes him more interested. "There are some things not even you should get involved with Izaya"

Que pasaría si los Dollars tuvieran que pelear contra los Vongola a causa de que una de sus amigas están en ambos bandos y que ella tiene un poder como el de saika pero no les a dicho a los vongola su verdadera identidad, ademas daré como una especie de continuación a la serie de Durarara! ya que esta no tiene final por lo que, ¿que habrá pasado con la cabeza de Celty y con Izaya ?

Shizaya...D18... mereka sangat mirip, si seme itu blonde, dan para uke berambut hitam, tapi... Hibari dan Izaya tertukar tempat! mungkinkah ini akan buruk...atau...bagus...?

Yamamoto has a past in Ikebukuro that he has been running away from. When the Vongola are needed to stop the war between the Yellow Scarves and the Dollars, he is forced to fight the embodiment of his past, Sonohara Anri. How do you kill the one you love?

In which Shizaya had become too large of a fandom and Erika searches for something fresh for her doujinshis. A post-Appointments Omake.

Tsuna, forced to attend one of his tutor's secret dealings, experiences first-hand color gangs, DOLLARS, games and the mystery that is Ikebukuro. Ikebukuro did not know what hit it when the Vongola Decimo stepped into its territories.

What happens when we find Belphegor and Fran walking around the Ikebukuro streets?

These are the omakes to IAmRye and my fic which is posted by IAmRye. While the Varia and Izaya cause mayham in Ikebukuro, what are the others doing? rating may change

"You! Stop hitting on my beloved Celty!" "I won't allow such a perverted doctor like you to stay with Celty! She's a very precious existence here on Earth!" Gokudera's in awe. Celty's got an admirer. Shinra's jealous. slight fluff.

Izaya liked the mafia and so he decides to drop by Namimori to meet the Tsuna and co. Chaos ensues. Durarara/Reborn crossover with plenty of crack.

Reborn takes Tsuna and his gangs to his old friend. What is she and why is she so different to everyone? What is she and what is her true identity? The whole summary is in chapter one! izayaxocxshizuo rating might change HIATSU! NEED IDEA

"Now I'm pissed," he growled, his eyes had a psychotic intention; Hibari liked it. What would Hibari think of Shizou? a KHR and Drrr! crossover. woot.

A Mafia boss that could potientally destroy Mikado's life makes him an offer...

Mmmh how should I put it, Naito Longchamp from KHR meets Orihara Izaya from DRRR.

Some awesome-tastic drabbles and such, as the title says. Of Katekyo Hitman Reborn! and Durarara! Because... we were really bored one day. Warnings: Language, OOC-ness, some crack -the genre fool- , BL, and possibly some future stuff. IDK.

Tsuna's Moon Guardian is on vacation. But not in just any place, Ikebukuro. She enrolled at the high school as a he for fun. How are the events in Ikebukuro going to happen now, with the involvement of a Vongola? HibarixOC HibariOC;Side-story is out!

Kasumi Suzune was raised as an assassin because of her parents jobs. She was abused and degraded by everyone, and finally just snapped. So she moved from Italy, the Vongola headquarters, to Ikebukuro, a place where no one knows her. M just to be safe.