He had only come here to fulfill a dying wish from a younger version of himself, to take his place in this world as Sawada Tsunayoshi. That had been fine, boredom plaguing him constantly in his long life as nothing seemed to matter anymore. So when Reborn arrives to train him as Vongola Decimo, he ends up with something a little more. Dark!Tsuna, Dark!Universe, slow R27 COMPLETE

What if Tsuna wasn't the chosen Vongola heir but his twin was? What would become of him? Warnings inside and Rated for future language. Also, credit to 'The Liar Of Truth', who wrote "Sins of Thy Sons", for giving me the idea.

Something happened to Tsuanyoshi Sawada, when he was very young. Now, he's disappeared. A year or so later, the Vongola call upon the famous phantom thief Sagi. They need to get that stolen Sky Ring back before something terrible happens. But there's a whole other mystery going on with Sagi himself. Can our favorite mafia group find out what it is? (T for language)

What if Tsuna had a younger twin brother, one that was so much better in everything he did? What if Tsuna hadn't talked in the last five years? Would he still be the Vongola Decimo? ..."I'm glad I decided to check up on you once in a while."

AU. No-good Tsuna was all just an act. In reality, Tsuna was a famous mafia hacker hidden by the name Erebus that could bring destruction to all mafia Famiglias. But when a hitman called Reborn appears to train him to be Vongola Tenth, things just got a whole lot more complicated. If his identity is found out, he just might be killed by his own tutor.

In school, he may be known as Dame-Tsuna, but in Italy, where he spent the first five years of his life and where he spends every summer vacation, he's respected as the future Vongola Decimo. He likes keeping his two lives separate. Too bad Boreen-sensei has other ideas. AU. No pairings.

Au- assuming that the heroes defeated Gaea and everyone is still alive. Percy, Nico, Jason, and Rachel must embark on a perilous journey, chasing an ancient foe that simply can't be destroyed. With trust, love, and life on the line, will they have the courage to pull through?

When Princess Thia is kidnapped by British terrorist, Pitch Black, a mysterious secret agent comes the rescue. But protecting her is a challenge as he is wanted dead by multiple spy agencies. Now she and the ex-spy who only goes by the codename 'JACK FROST' must work together and stop Pitch, all while uncovering the dark secrets of something he left called the GUARDIAN program. AU

AU, Earth and Meraviglie are two worlds interconnected by a barrier however it's only known to a selected few. Those that can travel to the other world and have the ability to make pacts with those in the other world are known as Capturers. Tsuna, having that ability, accidentally stumbles across a humanoid man with a fedora hat. Full Summary inside, Arcobaleno27, main R27

Tsuna is a seraph, but works as a lowly guardian angel. Soon after he becomes a decimus, God calls all the angels for an announcement. Something bad has stirred on Earth, and Hell and Heaven have allied themselves to protect the humans. But will Tsuna survive working with demons trying to get in his pants every second? AU, BL, Demons, All27

That was all he ever was. Sawada Tsunayoshi lives a life of pain, deceit, and death, hiding his past behind a flawless mask. He never wanted it that way, but he was left with no choice. One day, a remnant of his dark past catches up with him, and drags him into a deadly world. Now, he has no choice but to become stronger, lest he fall prey to his experimenters, and his alter ego.

This is a twin fic. Tsuna is the older brother of Ieyoshi. He really isn't surprised when his stronger, better brother is picked to be the Vongola Boss instead of him. After all, no one expected Vongola to handle a weak, petite, mute. But Vongola is going to, from the most unlikeliest of things.

The A Team is the best criminal investigation team in the United States. Seemingly out of nowhere, Mikan Sakura gets initiated into the team...but with a cost. Someone powerful is after them as they try to figure out mysteries of their own. A crime drama with a dash of humor, some romancing between our main characters, and tons of mysteries and suspense.

AU. Tsunayoshi Sawada is a drifter. He travels across a desolate, diseased-ridden world in search of other survivors... but after meeting "The World's Greatest Hitman" maybe, just maybe, being alone was not so bad after all. Drabble series.

I am Mikan Yukihara. I exist because of a person and for one reason, that reason alone: obey father's command. Disobedience means death. I am his creation, his daughter… no, I am his son.

Tsuna's death has caused grief among his guardians, and each of them has a different reaction - especially since one of them is the killer.

AU. Tsunayoshi is considered a delinquent together with Gokudera in his previous school. So why is it that when he transfers to Namimori Middle School he pretended that he's weak and stupid? Will his classmates ever discover this facade of his? And will Tsuna manage to keep his act especially when Gokudera also transfers to his school?

Giotto makes a wish. He wants to meet the future generation of Vongola. He gets his wish. Unfortunately, the future generation gives him uneasy feeling especially their boss.

13. AU. She taught him how to love, how to laugh, how to regret, and how to cry. This is a story about a bully and the girl who changed his life.

When Reborn and the rest of the Arcobaleno stormed the Estraneo lab, what Skull didn't expect to find was a door labeled 'Night Sky'. And when Reborn opened it, he was shocked to see.. A boy? Parent!Arcobaleno & Child!Tsuna

Friend Requests- 'Natsume Hyuuga- Confirm, Not Now'. Mikan Sakura, a rich man's daughter, has few friends. When she receives a friend request from a stranger, she accepts it. Little does she know that the little blue rectangular button would change her life. Mystery, lies, friendship, sarcastic conversations, tears, laughter, love...? What has Mikan gotten herself into? MxN. AU.

I walked towards her and whispered in her ear, "I'm here to take your soul.""T-take my soul? But who are you?" she stuttered "My name's Natsume. Hyuuga Natsume. I'm a death angel." and then I leaned in and kissed her.

Dame-Tsunako was just an ordinary girl with a high level of clumsiness and uselessness, working for Vongola Studios as a janitor. Until one day she has a run in with one of the founders daughter and decides to sing to her in order to cheer her up, something she never does in front of anyone except her mother. So she wanted to keep it a secret but the have founders of other ideas.

who said all first kisses are romantic? for a 17 year old nerd, Mikan really didn't enjoy her first kiss. first it was stolen by an airhead named Natsume and second it made her high school life a living hell.Warning: OOCness