Basic medicine and sanitation are simple. During the Warring Clans era, they become revolutionary. [OC-Insert]

All Might tell Midoriya he can't be a hero when he's quirkless. Does that stop the green bean? Nope. Finding an abandoned toddler in an alleyway wasn't on his to do list though. But no one cared enough to care if he adopted the kid or not. And if anyone thought something small like a villainous quirk was enough to put Midoriya off, then they were very, very wrong.

What if Ace didn't join the Whitebeards, but the Red Hairs instead? Shanks gets to meet the little brother or nephew he never got to know or care for. Ace gets to know a man who doesn't hate him for who his father was. It's an adventure that never got to be discovered

The story of a boy that loops time with every single death. Sounds cool right? Well there's the minor inconvenience that he wakes up drowning in his backyard pool. Even living hundreds of lifetimes, life still manages to surprise him. [Eventual Class 1-A]

Ace wakes up in his seventeen year old body after the events of Marineford, and promises that this time he will be strong enough to protect his family. In which the Spades are slowly driven to insanity by their Captain, and the Marines are not amused.

Midoriya is a kind boy able to turn into a mass of tentacles and teeth. Whether this is his quirk or if he is an eldritch abomination from beyond space is debatable. Despite being a nightmare made flesh he has the drive to be a hero. Even if his classmates are trying to banish him to the outer realms, or worship him as a god.

In the past, whenever a crew he had been traveling with had decided to challenge one of the Yonko, Marco had left the island before said Yonko arrived, not wanting to be caught in the crossfire. But in the past, those Yonko had been Kaido and Big Mom. Whitebeard was a different story, and Marco was curious to see a Yonko's crew in action.

Reborn as a monster, Frisk has a lot to deal with: meeting their friends again, learning to control the magic they've been remade out of, and, until they manage all of that, living in the same space as Sans and Papyrus. It's strange and scary, but they're safe, and that's all they've ever wanted. (WILL NOT BE UPDATED HERE; BEING REWRITTEN.)

"...thought we agreed to not have any more bad times kiddo?"

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"I'm going to call you Lapis." Steven gets a pet. Drabble.

She seemed determined enough. Maybe she'd be able to finally answer the question that had been bugging him for a while now, since he had realised he'd forgotten the answer years ago. What colour was his carpet? eventual OC/Gai Rated for swearing

Sasuke's travels through the Elemental Nations led him to the company of the most peculiar girl. Fem!Harry

"I brought your favorites.", Bruce whispers when he feels that she found the guns hidden in his suit jacket, and he can't see it but Natasha smiles. "You know exactly how to impress a girl.", she says.

He was done playing the hero, now he was just a regular selfish bloke who helped out with the little things where he could, but who left the big problems of this world to someone else. Because this wasn't his world and it was someone else's problem. Harry's problem, at the moment, consisted of the suddenly very alive and awake man and his squished strawberry plot.

What if Darcy Lewis was a former Red Room Operative? And one day the truth was revealed... (Post Avengers)

OC, Hikari get's dumped in One Piece, every fan's dream. Except her spontaneous trip has strings attached. One of those strings happened to be an annoying voice inside of her head. Starts at Shells' Town. My (failed) attempt for NaNoWriMo 2012.

10 year old Harry has suffered horrible abuse for most of his short life. A concerned Dumbledore sends Severus and McGonagall to check up on him. What Severus finds there horrifies him and challenges all his preconceived notions about Harry.

A late night walk brings Gibbs to a young Tony and leads the two of them on a journey that neither of them were expecting.

I sat in that auditorium and stared in front of me. My face contorted with confusion as I wonder how in the world our principal let people who looked like they did within a hundred feet of this place! Wow, my life just got really complicated. SebastianOC

The story of one of the single stupidest and most unnecessary wars to ever have taken place on the seas.

Watson deals with the loss and return of his closest friend. Set immediately after SH2. Holmes/Watson non-romantic 'bromance' - brothers in bond.

Allen Walker thought no one knew her secret, but she was wrong. Yes, she was a girl. It had always just been easer to pretend to be a boy. But that was all about to change. Tyki x Girl Allen. Lemons, Limes, PregAllen, and an Evil Black Order on the side.

Get in, get out, don't be seen. Simple mission orders. Except Logan found a labrat who was too similar to him and decided to keep her. The lone wolf now has to take care of a frightened and traumatized young girl and treat her wounds, physical and mental.

They all agreed it was Unexpected to find out that Sakura was pregnant, it was also Unexpected to find out that she was married. But Unexpected does not describe the fact that she's married to Morino Ibiki! And the Unexpected Keeps on Coming.IbikixSakura

After Pein's attack, Konoha is mending, but some people have it harder than others. When Sakura refuses to leave her post at the hospital, endangering her health, the only person they could call in was the only one who would not flinch in front of her.

Ayakawa Yukiko retired from being a ninja, and she's come to terms with that. Then the Third Hokage summons her for an assignment that will change her life. AU story, set six years premanga. COMPLETE