Age gap – Fanfiction & Original Stories

One last time

Het

NC-17

In progress

2

Author:: Loony Lupus

Fandom:: Peaky Blinders

Size:: planned Midi, 20 pages, 9,086 words, 5 chapters

Last update:: 04.06.2026

After years in a coma, Thomas Shelby awakens to find himself still alive, far from home and under the control of strange people who saved him from certain death. How and why? Good questions. If he has to live, why not find out?

My heart is in your hands

Gen

PG-13

Finished

0

Author:: OldSchool Jill

Fandom:: Tales of Vesperia

Size:: 2 pages, 545 words, 1 chapter

Date of completion:: 17.04.2026

Tags: Age gap Drabble Philosophy Post-canon

She literally held his heart in her hands.

DIRTY LITTLE SECRET ~ : A Spamvil explaination.

Slash

NC-17

In progress

3

Author:: J3vilzduckie

Fandom:: Undertale, Deltarune (crossover)

Pairing and characters:: adult!Spamton G. Spamton/kid!Jevil, King/Queen, Pink Addison, Yellow Addison, Blue Addison, Orange Addison, Seam, Tasque Manager, Swatch, W.D. Gaster, kid!Ralsei, Weather duo, Mr Ant-Tenna, others that arent mentioned

Size:: planned Maxi, 4 pages, 1,671 words, 2 chapters

Last update:: 17.04.2026

When Spamton was young, he landed his own shop; Bigshot Autos! People traveled across all dark worlds to buy his cars.. But with being famous, came a reputation to keep up. He was a charm to customers, and good at being a flirt. However, the thing that couldnt happen was having his reputation being changed from 'The Bigshot' to 'The pedophile'. He had been dating his bosses underaged son for a year. If anyone found out his life would go into shambles.. He just knew no one would find out...Right?

Diana Crevan: The Boiling Islands (Seasons 1–3)

Mixed

R

In progress

5

Author:: revkovaae

Fandom:: Naruto, Gravity Falls, The Owl House, Kuroshitsuji, Hazbin Hotel (crossover)

Pairing and characters:: Luz Noceda/Amity Blight, Emperor Belos/Luz Noceda/Amity Blight, Eda Clawtorne/Camila Noceda, Undertaker/OFC, Boscha/OFC, Willow Park/Hunter, Masha/Vee

Size:: planned Maxi, 99 pages, 34,000 words, 4 chapters

Last update:: 12.04.2026

Luz and her best friend, Diana Crevan, find themselves in a strange world called the Boiling Isles. There, Diana learns about her origins and who she really is. (This is my fanfic that was posted on fanfiction.net.)

The Names We Had At Dawn

Other types of relationships

R

In progress

4

Author:: KikiYushima

Fandom:: RWBY

Pairing and characters:: Salem, Ozma | Ozpin

Size:: planned Maxi, 18 pages, 9,970 words, 3 chapters

Last update:: 27.03.2026

Tags: Age gap AU Domestic fantasy Explained OOC Fantasy Mentions of abuse Mentions of incest Mentions of Incest Mentions of rape OOC Psychological trauma PTSD Queerplatonic Relationships

Normally, a few decades wouldn’t feel like it was long, but in this case, it felt like an eternity… But, she found him after so long. She was only a few decades younger this time, but those few decades had changed her almost beyond recognition…

Make Her Smile Again

Het

NC-17

In progress

8

Author:: Irina Ayame

Fandom:: Shingeki no Kyojin

Pairing and characters:: Mikasa Ackerman/Levi Ackerman, Levi Ackerman/Mikasa Ackerman, briefly!Armin Arlert/Annie Leonhart, Mikasa Ackerman, Levi Ackerman, Armin Arlert, Annie Leonhart, Gabi Braun, Falco Grice

Size:: planned Maxi, 79 pages, 36,696 words, 7 chapters

Last update:: 21.03.2026

Tags: Age gap Angst Canon compliant Care / Support Character study Complicated relationships Denial of feelings Drama Explained OOC Falling in love First time Fluff From unhealthy relationship to a healthy relationships Grief and loss Hurt/Comfort Love/Hate Mental disorders Mentions of deaths Mentions of unhealthy relationships Mentions of war Military Pain Post-canon Post-war period Psychological trauma Psychology Rated for sex Regrets Relationship development Resolved sexual tension Romance Seas / Oceans Slice of life Slowburn Symbolism The past Trust issues Unequal relationships Spoilers ...

When the world is falling apart before your eyes, when you have no strength left to go on, when it feels like there's nothing left for you in this life—someone appears who helps you find a new meaning. The war is over, and two of humanity's strongest warriors, haunted by the ghosts of their past, are learning to live again.

Mysterious Stranger

Slash

G

In progress

0

Author:: FoxylanaFoxy5

Fandom:: Vyacheslav Makarov, Yuri Muzychenko, The Closer (Ishcheyka) (crossover)

Pairing and characters:: Valentin Shirokov/Marat Khaidarov, Yuri Muzychenko/Vyacheslav Makarov, Vyacheslav Makarov, Yuri Muzychenko, Alexander Abashev, Dmitry Yurkov, Eduard Belenky, Igor Biryukov, Marat Khaidarov, Oleg Zhirkov, Pavel Mishin, Valentin Shirokov

Size:: planned Maxi, 85 pages, 33,005 words, 4 chapters

Last update:: 21.03.2026

Valentin is a newcomer who has just joined the department and has already caused a lot of trouble. However, he has also managed to fall in love with one of his colleagues, who has not bullied him since the first day, except for one other person. Valya has made many mistakes and must fix them. He must also lead a second life for the sake of love...

I want to trust you, but I'm afraid you'll use me. (Season 1)

Mixed

R

In progress

1

Author:: revkovaae

Fandom:: Naruto, Fairy Tail, Big Hero 6 (crossover)

Pairing and characters:: Bob Aken/fem!Hiro Hamada

Size:: planned Maxi, 15 pages, 4,343 words, 3 chapters

Last update:: 19.03.2026

Tags: Adventure Age gap Angst Anxiety Drama Fantasy Hints of relationships Humor Hurt/Comfort Magic Manipulation Mentions of deaths Mentions of violence Romance Teamwork Tragedy Violence

Two years have passed since the events of the second season of the original "Big Six" animated series. Hana is now fifteen years old, but she will say she's sixteen. One day, she travels to Fiore to visit her cousin Lucy. There, she unexpectedly encounters her enemy, whom Hana had thought dead for two years. Find out what happens next in this fanfic.

Big Hero 6: My Beloved Parents - First Cut (Film 1)

Mixed

R

In progress

0

Author:: revkovaae

Fandom:: Naruto, Fairy Tail, Big Hero 6, Kuroshitsuji, Tangled (crossover)

Pairing and characters:: Tadashi Hamada/OFC, Fiona Hamada, Robert Callaghan, Hiro Hamada, Honey Lemon, Frederick Flamarion Frederickson IV, Annabel Crey-Aken, Mirabelle Crey-Aken

Size:: planned Maxi, 33 pages, 10,018 words, 5 chapters

Last update:: 18.03.2026

Tags: Adoptive families Adventure Age gap Anxiety Drama Found families Humor Hurt/Comfort Mentions of deaths Obscene language Original female characters Psychology Romance Teamwork Tragedy

Hana Hamada is a smart fourteen-year-old girl who pretends to be a boy and raises her five-year-old daughter, Fiona Hamada. One day, after Tadashi's death, their lives change forever.

Only the Brave Conquer the Seas

Het

G

Finished

1

Author:: Irina Ayame

Fandom:: Shingeki no Kyojin

Pairing and characters:: Levi Ackerman/Mikasa Ackerman, Levi Ackerman, Mikasa Ackerman

Size:: 3 pages, 1,145 words, 1 chapter

Date of completion:: 25.02.2026

Tags: Age gap AU Figure skating Fluff Hockey Realism Romance Slice of life Spoilers ...

Levi couldn’t miss the moment she stepped off the ice. It was impossible not to notice her. Mikasa didn’t shuffle off the rink like a clumsy fledgling still growing into its wings. No, she exploded off the ice, sending hundreds of sparkling ice shards flying. She always removed her helmet mid-stride, her short, tousled hair falling messily, sticking to her flushed face.

The PLMMDH characters from Chapter 3 react to Hiro Hamada as nCiel Phantomhive (manga version).

Mixed

R

In progress

0

Author:: revkovaae

Fandom:: Big Hero 6, Kuroshitsuji (crossover)

Pairing and characters:: Bob Aken/Hiro Hamada, Trina/OFC, Dibs/Honey Lemon

Size:: planned Maxi, 2 pages, 733 words, 1 chapter

Date of creation:: 11.02.2026

After the frozen Globby was removed from Hiro's room, Barb's daughter, Junnifer, decided to bring Hiro and Obake together through an animated manga about Hiro Homada's past. How will Obake react to Hiro's past and his terrible, tragic, and traumatic story? Find out in this fanfic.

Making Do

Slash

NC-17

In progress

4

Author:: ravenkira

Universe:: Harry Potter

Pairing and characters:: Harry Potter/Severus Snape, Severus Snape/OMC, Harry Potter, Severus Snape, George Weasley, Ginny Weasley, OFC

Size:: planned Maxi, 43 pages, 21,183 words, 7 chapters

Last update:: 04.02.2026

Tags: Age gap Angst Denial of feelings Depression Drama Homophobia Hurt/Comfort Impotence Loss of virginity PTSD Romance Slow Burn The consequences of an illness Unresolved sexual tension Virginity Spoilers ...

After the war, Severus Snape tries to find another way to deal with his abominable life.

Five-Year-Old Girl Yuki Hatake: Orochimaru's Path (Season 1)

Mixed

R

In progress

2

Author:: revkovaae

Fandom:: Naruto, Kuroshitsuji, Hazbin Hotel (crossover)

Pairing and characters:: Orochimaru/OFC, Naruto Uzumaki/Sasuke Uchiha, Kabuto Yakushi/Hinata Hyuga, Lucifer Morningstar/OFC

Size:: planned Maxi, 3 pages, 770 words, 1 chapter

Date of creation:: 19.01.2026

Tags: Age gap Angels Angst Demons Drama Fantasy Friendship Humor Hurt/Comfort Murder Obscene language Original female characters Psychological trauma Psychology Romance Soulmates Violence Spoilers ...

A five-year-old girl named Yuki appears in Konoha and becomes Kakashi's adopted daughter. (First route)

Sukuna's secret ( (English version)

Slash

NC-21

Finished

2

Author:: Mixblues

Fandom:: Jujutsu Kaisen

Pairing and characters:: Itadori Yuuji/Sukuna | Ryoumen Sukuna

Size:: 20 pages, 7,505 words, 1 chapter

Date of completion:: 13.01.2026

Rumors are not always true, Gojo says that Sukuna in the golden age kidnapped children and ate them, but sending them on a mission that is said to be ‘secret' about the disappearance of children may reveal that this is not quite the case.It was not known to him that Sukuna had a Natural need.

What We Do in the Shadows

Het

NC-21

Finished

3

Author:: Irina Ayame

Fandom:: Shingeki no Kyojin

Pairing and characters:: Levi Ackerman/Mikasa Ackerman, Mikasa Ackerman/Levi Ackerman, dark!Levi Ackerman

Size:: 12 pages, 5,333 words, 1 chapter

Date of completion:: 12.01.2026

Tags: Age gap Angst AU Canon Divergence Dark Drama Dubcon Explained OOC Gray morality Mind break Psychological trauma Psychology Rated for sex Realism Sexual slavery Slavery Subordination Spoilers ...

From early childhood, she was taught to obey, to comply. Her will was broken and her spirit turned inside out. Captain Levi Ackerman of the Scout Regiment buys the broken and submissive Mikasa, hoping she will add some variety to his dull evenings.

Quid Pro Quo

Het

Translation

NC-17

Finished

3

Author:: Akimillia VampireHorse

Fandom:: Yandere Simulator

Pairing and characters:: The Yakuza/Ryoba Aishi

Size:: 3 pages, 1,036 words, 1 chapter

Date of completion:: 04.01.2026

Ryoba didn’t want to resort to the method she thought of, but only the Yakuza could help her. His prices were only increasing, and she didn’t even have enough money for what she earned by working like a dog in the Maid Café and all other part-time jobs… but she still had one favor left. After all, quid pro quo, right?

wanderer's lullaby

Het

NC-21

In progress

6

Author:: KikiYushima

Fandom:: RWBY

Series:: Moonflower Shipping Stories

Pairing and characters:: Winter Schnee/Qrow Branwen, Winter Schnee, Qrow Branwen

Size:: planned Maxi, 374 pages, 202,561 words, 46 chapters

Last update:: 20.12.2025

Vale. The land of plenty, the land of prosperity. But how can it feel so much worse than Atlas…? Anguish grips Winter’s mind, alone and isolated, with new family straining to welcome her. Will clinging shadows lead to her downfall? Or can guiding lights free her from darkness? Sequel to Anywhere

Make me useful

Slash

Translation

NC-17

Finished

0

Author:: VanilleTwilight Lady_Meg_666

Fandom:: Pirates of the Caribbean

Pairing and characters:: Captain Jack Sparrow/Henry Turner, Captain Jack Sparrow, Henry Turner

Size:: 5 pages, 1,342 words, 1 chapter

Date of completion:: 15.11.2025

Tags: Age gap First time

Henry Turner wants to be useful to his captain, Jack Sparrow. And Jack has an idea how…

Play

Het

NC-17

Finished

3

Author:: Irina Ayame

Fandom:: Shingeki no Kyojin

Pairing and characters:: Mikasa Ackerman/Levi Ackerman, Levi Ackerman/Mikasa Ackerman, Levi Ackerman, Mikasa Ackerman

Size:: 12 pages, 5,419 words, 1 chapter

Date of completion:: 13.11.2025

Levi loves to dominate, and she—to submit. It's a game just for the two of them, where Mikasa gladly gives up control, allows herself to be broken, and opens up more each time.

One fleeting meeting

Slash

NC-17

In progress

4

Author:: fatso_s_sister

Fandom:: Tolkien John R.R. “The Lord of the Rings”, The Lord of the Rings - All Media Types, The Lord of the Rings (Movies) (crossover)

Pairing and characters:: Aragorn/Boromir (Tolkien)

Size:: planned Mini, 27 pages, 12,059 words, 3 chapters

Last update:: 11.11.2025

Tags: (but not completely)) Age gap Alternate Universe - Different First Meeting Aragorn as Thorongil (Tolkien) Arwen and Aragorn are just frends AU Battle Boromir Lives (Tolkien) Canon Compliant Denial of Feelings Friends to Lovers No Underage Sex Nursing Podfic Welcome Pre-canon Sexual Tension Slow Burn Young Boromir (Tolkien)

Steward Ecthelion is in a hurry to share the joy of the birth of his grandson and the continuation of the glorious house of stewards. He brings his devoted warlord and friend Thorongil to the cradle.No one could have known at that moment what a short meeting between a wise man and a one-day-old baby would turn out to be and how closely the destinies of two people would intertwine._________ a new chapter every first Monday of the month

Tag "Age gap" - Works and Original stories