The original relationship is based on trust and Pikachu's eagerness to battle. In the 'ash holds back pikachu fanfiction', this changes as Ash is restricting Pikachu. This deviation can explore different aspects of their bond, such as how they communicate and resolve this new situation. It could show a more nuanced side of their relationship, with Ash having to make tough decisions regarding Pikachu's actions.
One possible reason could be that Ash senses a dangerous situation where Pikachu's full power might attract unwanted attention or put them in more danger. For example, if there are powerful and unseen enemies nearby, Ash might hold Pikachu back to keep a low profile.
They could start by sharing their favorite things, like Ash sharing his Pokemon training experiences and the female Pikachu sharing her favorite places to play in the wild.
The normal Pokémon storyline is about friendship, growth, and adventure. But in this fanfiction, it takes a dark turn with Mewtwo killing Ash. It completely changes the dynamic between humans and Pokémon. In the regular story, humans like Ash are seen as Pokémon trainers and friends, but here it shows a more violent and unexpected side of the Pokémon - human relationship.
Ash would be extremely devastated. Pikachu is not just his Pokémon but also his closest friend. He would likely first try to reason with Pikachu, not believing that Pikachu could truly betray him. He might be in denial for a while.
It could mean that Ash is somehow preventing or restraining the creation or spread of fanfiction. Maybe Ash has some kind of power or influence in the context where the fanfic exists, like in a particular fandom community, and is using it to hold back the development of fan - created stories.
They could start by trading Pokémon - related stories. The male human might tell Ash about his first encounter with Pikachu, and Ash could share his own adventures. As they talk more, they find common ground and start to respect each other. Then, when they face a common enemy, like a Team Rocket - like organization trying to steal Pikachu, their relationship evolves into a strong friendship.
The relationship between Ash and Pikachu in the manga is one of deep friendship and mutual growth. Pikachu is Ash's trusted partner and they face challenges together, learning and evolving as a team.
In the Pokemon comic, Ash is the trainer of Pikachu. Their relationship is based on trust and adventure. Pikachu is Ash's most loyal and powerful companion on their journey.
His relationship with Pikachu would become quite different. Pikachu might have to take on a more protective role. Instead of Ash being the one in charge, Pikachu would be looking out for Eevee - Ash. They would still have a strong bond, but it would be based more on Pikachu's guardianship now.
Ash would be terrified. He is facing a group of Spearow without his most reliable Pokémon by his side. He would also feel disappointed in Pikachu. After all the adventures they've had together, he never expected Pikachu to leave him in such a dangerous situation. He might start to doubt their friendship and partnership.