Serena could be a bit shy at first. She might blush deeply and look down for a moment. But then, she would look into Ash's eyes with love and admiration. She would tell Ash how much she loves him and how she has been hoping for this moment. She would accept his proposal gracefully, and they would share a tender embrace while their Pokémon friends cheer around them.
Their Pokémon might be very protective. For example, Pikachu could stay closer to Serena all the time, sensing the new life. Some Pokémon might bring small items like berries or soft leaves, thinking it could be useful for Serena or the baby.
Pikachu would probably be very excited. It might jump around Ash, making little electric sparks of joy. Bulbasaur could bring Serena some fresh berries it finds in the forest as a sign of care. Eevee, if they have one, might curl up next to Serena's belly, as if protecting the unborn baby. Their Pokémon would sense the importance of this new development and do their best to be helpful and protective.
Some of their Pokémon friends might also show unique reactions. Pikachu could be very protective of Serena, always staying close by to make sure she's okay. And their other Pokémon might bring little gifts like berries or shiny stones they find, as if they understand what's going on. The more mischievous Pokémon might play little pranks that end up being endearing in the context of the pregnancy, like stealing Serena's hat and then replacing it with a flower crown as a sign of celebration.
They would probably be a bit shy at first. Ash being his usual energetic self but also respectful of Serena's space in the tent. Serena might be a bit nervous but also excited to be sharing such a close space with Ash.
One common theme is the growth of their relationship. It often starts with Serena having a crush on Ash and then Ash slowly realizing his feelings for her. Another theme is adventure. Since they are both Pokemon trainers, they go on adventures together and these experiences strengthen their bond. For example, in many fanfictions, they face tough battles side by side which deepens their connection.
Some Serena x Ash fanfictions are centered around Serena's feelings for Ash. These stories often explore how she first realizes her love for him and how she tries to express it. Maybe she decides to cook his favorite meal as a way to show her affection, or she gives him a special Pokémon - themed gift. In other fanfictions, Ash might be the one who starts to notice Serena in a different light. He could see how she has grown stronger and more confident, and this new - found admiration could turn into something more romantic. There are also those fanfictions that bring in other Pokémon characters to either help or hinder their relationship.
Well, there could be a plot where Ash's aura suddenly goes out of control during a big tournament. Serena, with her special understanding of auras, steps in to calm him down. Their auras interact in a beautiful and powerful way that not only saves the day but also makes them realize their feelings for each other.
Well, in Ash x Mirror Serena fanfiction, often there's a sense of the unexpected. Since Mirror Serena is a different version, she may have different personality traits compared to the original Serena. This can lead to unique interactions with Ash. For example, she might be more assertive or have different goals.