A really cool plot could be that the mortal has a special power that is only awakened when they meet the little big three. This power is related to the magic or essence of the little big three's world. As they interact more, the mortal learns to control this power and uses it to help the little big three in a battle against an ancient evil that threatens both the mortal world and their realm.
One possible plot could be that a mortal accidentally stumbles upon the realm of the little big three. They initially get frightened but then start to form unique bonds with each of the three. For example, they might teach one of them about modern mortal culture, which in turn helps the little big three in some unexpected way, like solving a long - standing problem in their realm.
Well, perhaps the mortal is a very creative person. In the fanfiction, they could use their creativity to impress the little big three. The mortal might introduce art forms like street graffiti to them. This could lead to a new trend in the little big three's world, and the mortal becomes a sort of cultural ambassador between the mortal world and their realm.
The main characters could obviously be the mortal. It could be a young adult, say a college student who is curious and adventurous. Then there are the little big three. They could be characters with distinct personalities. For example, one could be really mischievous, another very wise, and the third one could be super strong but a bit naive.
I'm not entirely sure without more context, but generally in fanfiction, the 'little big three' might be a group of characters that are really popular among fans. The story could be about someone new coming into their world and getting to know them. It could involve a lot of character development, like how the new character affects the 'little big three' and vice versa. There could be elements of adventure, mystery, or even just simple day - to - day interactions depending on the genre of the fanfiction.
The 'little big three' could be facing typical school problems like bullies. But being the special characters they are, they use their unique skills or personalities to stand up to the bullies and in the process, they make new friends who join them in their little group. They also might participate in a school competition, like a science fair or a talent show, and through their teamwork, they come up with an amazing entry that wows everyone in the school.
One possible plot could be that the Big Three - Mirio, Nejire, and Tamaki - are transported to an alternate universe where they have to team up with their counterparts from different versions of BNHA. They face new villains and challenges that require them to combine their unique quirks in unexpected ways. For example, they might encounter a villain who can manipulate time, and they have to figure out how to use Mirio's intangibility, Nejire's wave motion, and Tamaki's transformation quirks to stop the villain before he destroys the fabric of the universes.
One possible plot could be that Spongebob somehow gets transported to Equestria. He befriends Pinkie Pie first because of their similar energetic natures. They start having a party together, and Pinkie Pie shows Spongebob around Ponyville. Then, they might encounter a problem like a mysterious spell that's making all the ponies sad. Spongebob, with his positive attitude, tries to help the ponies cheer up and along the way, he meets Twilight Sparkle who teams up with him to find a way to break the spell.
Sorry, I'm not aware of specific'meet the little big three fanfiction' works as there's not enough information about what the 'little big three' actually are. But you can start by looking on popular fanfiction websites like Archive of Our Own or FanFiction.net. Just search for the key phrase and browse through the results.
Perhaps the Big Jet gets kidnapped by an evil character. So, the Little Einsteins embark on a mission to rescue it. Along the way, they face various challenges and make new friends who help them in their quest.
One possible plot could be that Izuku, while on a training mission in an uninhabited area, stumbles upon Godzilla. At first, he's terrified but then realizes Godzilla doesn't seem to be immediately hostile. Izuku tries to communicate using his knowledge of quirks and signals. Godzilla, in turn, seems to recognize Izuku's heroic nature and they form an unlikely alliance to protect the area from a common threat, like a group of villains who want to use Godzilla's power for evil.
Well, perhaps the Avengers are summoned to the Hamilton - era by some magical or time - rift related incident. Black Widow could blend in easily and start gathering intelligence on the political situation. Thor might be mistaken for a god, which could either cause chaos or inspire the people. And Hamilton, being the ambitious man he is, might see an opportunity to use the Avengers to strengthen his own position, leading to some interesting power dynamics and moral dilemmas within the fanfiction.
One possible plot could be that Natsu and Lucy meet in a completely new and unexpected place, like a parallel magical world. They have to rely on each other to find their way back home while also uncovering the secrets of this strange new world.