8k+Dauntless » by Allora Gale Lelouch had been quite happy with his life. Sure they were living in obscurity, but he and Nunnally were safe. All of that changes however, when his identity is revealed and Lelouch is forced back into the fold of the Imperial family.
Code Geass, T, English, Adventure, chapters: 103, words: 712k+, favs: 6k+, follows: 6k+, updated: 11/4 published: 7/25/2010, Lelouch L.
1k+I Just Want To Travel The World » by BANIX I had everything I wanted in my second life. A loving family and a team of wonderful pokemon. I did not ask to get involved with crime syndicates or get caught in government politics. I just want to travel the world. Reincarnated OC. (Rated M just in case, swear words and concepts of death included)
Pokémon, M, English, Adventure & Hurt/Comfort, chapters: 62, words: 506k+, favs: 2k+, follows: 2k+, updated: 10/3 published: 12/10/2018, Swampert/Laglarge, Rapidash/Gallop, OC
92Butterfly Effect » by Alexandria Volturi Mariko Himuro was determined to not get involved with Tsunayoshi Sawada. It would bring nothing but chaos and death so she chose to ignore him like the plague. For all her efforts she was screwed when she decided to stick up for the cute pipe cleaner when some bullies tried to beat him down. Now what's this about being a mafia boss's wife? Tsuna X OC
Katekyo Hitman Reborn!, M, English, Family & Romance, chapters: 12, words: 42k+, favs: 207, follows: 304, updated: 9/26 published: 10/7/2019, Tsuna/Tsunayoshi S., OC
151Is This Considered Cheating in Life? » by GuessWhoIAm27 As inappropriate it may be for a 19 year old girl that had just lost her life and had to restart a new one with no one to offer mental support. The thought that I had after my brain finally rebooted really shouldn't be… 'I'm going to see real KHR gay.' And it also shouldn't be appropriate that the thought actually lifted my spirits a little.
Katekyo Hitman Reborn!, T, English, Angst & Romance, chapters: 13, words: 60k+, favs: 340, follows: 448, updated: 9/26 published: 8/25/2018, Reborn, Vongola 10th Generation, OC
386Star of the Circus » by RunFromTheMedic Leora's had a lot of truly strange and bizarre experiences during her time with the circus. She never thought falling through a hole in the Big Top and winding up in an anime would be one of them.
Katekyo Hitman Reborn!, M, English, Family & Friendship, chapters: 30, words: 118k+, favs: 867, follows: 952, updated: 7/18 published: 8/16/2017, Tsuna/Tsunayoshi S., OC
10fire in your heart (ice in your hands) » by ekourege 19-year-old Sawada Tsunayoshi has a lot on his plate, from balancing work and school to trying to outgrow his "Dame-Tsuna" label, he has his work cut out for him. Given his history, things are going fine. Until, that is, Rokudo Mukuro shows up in his living room at 3 AM on a Tuesday, declares that he's related to the largest mafia syndicate in the world, and for that, he must die.
Katekyo Hitman Reborn!, T, English, Drama & Friendship, chapters: 8, words: 28k+, favs: 34, follows: 44, updated: 4/24 published: 11/5/2020, Mukuro R., Tsuna/Tsunayoshi S.
4Walking in Parallel » by moonguardian101 She sees but says nothing. He endures but says nothing. Lingering glances and many thoughts. Observations of the life around them. SI!OC and Tsuna story.
Katekyo Hitman Reborn!, T, English, Hurt/Comfort & Friendship, chapters: 4, words: 991, favs: 29, follows: 47, updated: 2/9 published: 1/25, Tsuna/Tsunayoshi S., OC
37Harmony Within the Sky » by Rahxe1182 Kazumi is given a mission to assassinate Vongola Decimo. But in the Underground, his identity still remains a mystery. By pure dumb luck, Kazumi meets and befriends him almost immediately. But her task won't be easy with all of his Guardians around, and a mutual enemy watching their every move.
Katekyo Hitman Reborn!, T, English, Hurt/Comfort & Romance, chapters: 16, words: 49k+, favs: 86, follows: 97, updated: 12/14/2020 published: 8/12/2015, [Tsuna/Tsunayoshi S., OC] Vongola 10th Generation
470To Dance With Death » by EriLenx07 Death is a cruel, cruel mistress. It stole her from one life, then dropped her straight into another. What's a girl to do but dance to death's tune? OC SI
Katekyo Hitman Reborn!, T, English, Humor & Drama, chapters: 15, words: 49k+, favs: 1k+, follows: 1k+, updated: 8/26/2020 published: 6/12/2017, Ryōhei S., Vongola 10th Generation
2k+Keeping Your Character » by Insanity-Red When a girl from our world takes advantage of a quirk in the reincarnation system, guess whose body she ends up in? See what changes when the stupid cow isn't so stupid - nor a cow. What else will change when she retains knowledge from her previous life?
Katekyo Hitman Reborn!, T, English, Adventure & Humor, chapters: 32, words: 144k+, favs: 4k+, follows: 5k+, updated: 7/25/2020 published: 1/20/2011, Lambo
358 Sehnsucht » by OpalescentGold In an unidentifiable location of Japan, a woman named Cynthia, the founder of the Cervello and the former Vongola Adviser, dies. Some few hundred years later, in a location of Japan now known as Namimori, a baby named Noriko is born.
Katekyo Hitman Reborn!, T, English, Family & Friendship, chapters: 60, words: 60k+, favs: 1k+, follows: 987, updated: 5/14/2020 published: 10/9/2015, Vongola 1st generation, Vongola 10th Generation, OC
838Sunset Hue » by Syrlai When Tsuna was twelve, he ran into a pole in the middle of the night, knocking himself out. There, he met a girl named Mia that just moved in. He was a loser and she was weird. But somehow, they brought out the best and worst in each other. Friends, lovers or partners - Mafia or not, nothing was going to change that. [TsunaxOC] [AU covering Kokuyo and Varia Arc from canon]
Katekyo Hitman Reborn!, T, English, Romance & Adventure, chapters: 51, words: 357k+, favs: 1k+, follows: 1k+, updated: 5/9/2020 published: 12/29/2014, Tsuna/Tsunayoshi S., OC
371Cries of the Heart, Echoes of the Night » by Marshmellowtime The end of the world did not look the way it was supposed to—all fire and collapsing buildings and screaming people. No, the end of the world actually came in the form of a toddler in an expensive suit with curly sideburns and plans to turn your childhood friend into a first-class mafioso. Oc/?
Katekyo Hitman Reborn!, T, English, Romance & Humor, chapters: 3, words: 30k+, favs: 728, follows: 828, updated: 4/8/2020 published: 12/17/2011, Reborn, Tsuna/Tsunayoshi S., Vongola 10th Generation, OC
335Under a Clouded Blue » by MidgyTSlayer "My ambition in life? To conquer the world because destroying the mafia is so last season and I never got around with it the last time anyway…kufufu." In which Rokudo Mukuro is reborn into a parallel world and finds himself in the position of every other SI/OC. Did he mention Hibari Kyoya being his younger brother? (Full summary inside!)(Featuring:Rokudo Mukuro/Hibari Kuroo)
Katekyo Hitman Reborn!, T, English, Humor & Drama, chapters: 23, words: 96k+, favs: 969, follows: 1k+, updated: 2/20/2020 published: 10/23/2016, K. Hibari, Mukuro R., Vongola 10th Generation
100Good Morning » by geneee Izumi's face is positively on fire. Sawada just walks away as nonchalantly as ever, while she is certain she is going to spontaneously combust. If he keeps this up, all this smiling and kindness, she knows that she will be done for. In which a certain Vongola boss does a random act of kindness for a stressed college student and derails her plans for the future.
Katekyo Hitman Reborn!, T, English, Friendship & Romance, chapters: 12, words: 53k+, favs: 370, follows: 473, updated: 8/20/2019 published: 2/26/2018, [Tsuna/Tsunayoshi S., OC] Vongola 10th Generation
4 Shiori the Puppeteer by RulerOfCats There was beauty in profits stolen. The shine, the way it filled her heart with anticipation and wonder. She couldn't respect another's property from a distance, so she brought it closer until it was in her own two hands and she might feel warmth again. Shiori was the best of the murderers, traitors, and thieves.
Katekyo Hitman Reborn!, T, English, Crime & Romance, words: 13k+, favs: 33, follows: 16, 5/17/2019, Tsuna/Tsunayoshi S., OC
106 Consequences of a Choice » by Marmora F. An Nora When Tsuna and the others were resting after the battle with Byakuran to save the future, they found out a secret Tsuna has been keeping from them, his childhood love story.
Katekyo Hitman Reborn!, T, English, Hurt/Comfort & Friendship, chapters: 18, words: 37k+, favs: 365, follows: 288, updated: 2/6/2019 published: 12/4/2013, [Tsuna/Tsunayoshi S., OC] Byakuran, Reborn
97No Place To Call Home » by nariai She has always been a liar. (Or: In which love becomes just another word for obsession and two souls merge into one.) [SI, Self-Insert/OC-Insert as Chrome]
Katekyo Hitman Reborn!, T, English, Adventure & Drama, chapters: 4, words: 21k+, favs: 754, follows: 795, updated: 1/5/2019 published: 10/27/2017, [K. Hibari, Chrome D., Mukuro R.] Vongola 10th Generation
546il dente di leone » by Sakura Hyuga I silently despaired. Why Tsuna? Why couldn't I have been reborn as a dandelion weed? At least then I would have a better chance of surviving! SI!fem!Tsuna
Katekyo Hitman Reborn!, T, English, Friendship, chapters: 9, words: 44k+, favs: 1k+, follows: 2k+, updated: 12/27/2018 published: 3/15/2016
130Renascence » by eviclair "Mafia Reformation" was never all that high on Tsunami's to-do list, but waking up from a dirt nap to a new twin brother and a world where spewing rainbow fire is the norm tends to shift a girl's priorities around. The megalomaniac with the red eye really isn't helping things. [SI/OC]
Katekyo Hitman Reborn!, M, English, Family & Friendship, chapters: 6, words: 38k+, favs: 928, follows: 1k+, updated: 12/8/2018 published: 11/4/2015, Hana K., Mukuro R., Tsuna/Tsunayoshi S., OC