Adultreborn Stories

Once he entered high school, Tsuna finally accepted the role of being Vongola Decimo, only to be informed by Reborn that he and his guardians were being transferred to I...

It was supposed to be another day for Tsuna. Going to school, training with Reborn and having fun with everyone. That is, until the Vindice requested his help without ge...

What if the name Maehara is Hiroto's mother's maiden. What if his last name was Sawada, from his father Sawada Tsunayoshi? Yuma Isogai is Hiroto's childhood friend and R...

Just another collection of oneshots exclusively for our greatest hitman.

Where Tsuna owns the Trineset not only the Trineset but also the most powerful people and Famiglia's in the world. Is Brakuran right wait it doesn't matter they are stil...

Tsunayume has always cared about Reborn. Though, she couldn't figure out if she just cared for Reborn as a friend, or part of the family. Those two thoughts seemed mor...

Or, Reborn is Tsuna's Godfather. And takes care of Tsuna, in the aftermath of the boy escaping from the Estraneo Family. Well, this will be fun. Not bashing Iemitsu and...

Reborn was sent by the ninth to train decimo but when he got to japan the person he is supposed to train doesn't even have sky flames but his weak brother does. Tsuna wa...

Concrete angel is one of my fav songs so i decided to make a Khr fanfic of of it tsuna is abused. Different dimensions, Adult Arco, Reborn Tsuna, R27, Abuse, Charictor d...

Hey guys i found a prompt about 25 songs in 25 days. The first chapter is about one of my childhood songs which is You are my Sunshine. The first chapter is R27 and Tsun...

Reborn is visiting Nana which is Luce secret little sister as a request from Luce the sky arcobaleno but end up become a babysitter when Nana need to go a vacation with...

Sawada Tsunayoshi's parents had been killed just when he is still 5 years old. The Estraneo Famiglia had found him, and subjected him to experiments. Since then, he live...

the arcobaleno can become adult instantly by verde, in exchange... oneshot,R!fem27,r-16

Being ReWritten, so sorry, first part up. (02.02.18) The legendary criminal 'Jack of Trades' is fairly well known among the mafia, even though no one knows his true name...

☣Cover made by @FoxcatAI! Go check her other works, it's beautiful!☣ Sawada Tsunayoshi, 21 years old, Vongola Decimo and the bearer of one of the Tri-Ni-Sette, had died...

Schools out and all Tsuna wants to do is relax. But that's impossible with a fadora wearing hitman shoving him and his guardians to a first class trip to Italy. This con...

Fantasy AU Prompt from Seito: It's just, all I can picture is that Tsuna gets dragged into an adventure he really doesn't want to go on, makes friends and accidentally s...

In this world, soulmates are known to look for each other. though they won't meet without a challenge, demons and magic exist here too In the year where the students ar...