Perhaps in the fanfiction, the little brother has some special abilities that are different from Mewtwo's. This causes a bit of a stir in their world. Mewtwo has to help his little brother understand and control these powers. They might face some villains who want to use the little brother's powers for their own gain. Mewtwo and his little brother would then have to fight together to protect themselves and their world.
There could be other Pokémon like Pikachu. Pikachu could be their friend who helps the little brother adjust to the new world. He could also offer some comic relief in the story. Another possible character could be Ash. Ash has a lot of experience with Pokémon, and he could offer some guidance to Mewtwo on how to take care of his little brother.
In a'mewtwo meets mewtwo fanfiction', it could start with the two Mewtwos being summoned by an unknown force. At first, they are confused and defensive. As they interact, they find out that their memories of creation and the pain of being experimented on are very similar. They might then decide to search for the source of this unknown force together. Along the way, they face various challenges, like other powerful Pokémon trying to stop them or humans who fear their combined power. But through their shared experiences and newfound bond, they are able to overcome these obstacles.
Well, the story could be about Mewtwo's little brother being created in a similar way as Mewtwo. Maybe he has different powers or a different personality. He could be more naive and curious about the world compared to Mewtwo who has already gone through a lot. And they could go on adventures together, facing challenges and learning about each other.
The fanfiction could center around Genesect and Mewtwo forming an unlikely friendship. Genesect, being a more mechanical Pokémon, might initially be distrusted by Mewtwo. But as they interact, they learn from each other. For example, Genesect could teach Mewtwo about the technology it has, while Mewtwo could show Genesect the power of psychic abilities. It could be a story of mutual growth and respect.
Well, it could be about Mewtwo, a powerful psychic Pokémon, and Arceus, the creator Pokémon, having a battle of wits. Maybe Mewtwo challenges Arceus' authority in the Pokémon world, leading to an epic showdown where their powers clash and the very fabric of the Pokémon universe is at stake.
One possible plot could be that Ash discovers a female Mewtwo in a hidden location. She's scared and alone, and Ash decides to help her. They form a bond and go on adventures together, facing various Pokémon trainers and challenges along the way.
Well, in this fanfiction, Naruto might initially approach Mewtwo with his usual enthusiasm and friendly nature. Since Mewtwo is a very powerful Pokémon, Naruto could see it as a new kind of challenge. He could try to form an alliance with Mewtwo, thinking that together they could achieve great things. Naruto might offer Mewtwo his friendship and loyalty, which could be a new concept for Mewtwo as it has often been a loner.
The relationship could develop in a very emotional way. Mewtwo's little brother could be a source of warmth and hope for Mewtwo, who has seen so much darkness. Mewtwo would gradually open up to his little brother, sharing his past traumas. In return, the little brother would offer unconditional love and support. They would become inseparable, and their bond would be unbreakable as they face the challenges of the Pokemon world together.
Well, it could be about the little brother following in Neji's footsteps in terms of ninja training. Maybe he struggles to live up to Neji's reputation at first but then finds his own unique way to shine in the ninja world.
The plot might involve Naruto trying to adapt to the new environment of being related to Rias. Since he has his own strong sense of justice from his ninja world, he could conflict with some of the more underhanded tactics in Rias' world. But in the end, they work together to overcome difficulties. For example, when facing a powerful enemy that neither of them could handle alone, they combine Naruto's ninjutsu and Rias' devil powers to defeat it.