A possible plot for a 'child of ash and serena fanfiction' is that the child discovers an ancient prophecy related to their family. This prophecy could involve saving the Pokémon world from a new and powerful threat. As the child tries to understand and fulfill the prophecy, they must learn from the past experiences of Ash and Serena. They might also have to form a team of unique Pokémon that combine the characteristics of the Pokémon their parents were associated with.
Perhaps the child gets lost in a mysterious forest while trying to follow in their parents' footsteps as a Pokémon trainer. Along the way, they meet various Pokémon that help them find their way back, teaching the child about friendship and the bond between humans and Pokémon. The child could also learn some new skills from these Pokémon encounters.
First, give the child a mix of Ash and Serena's traits. For example, if Ash is known for his courage, the child could have that, and if Serena is good at planning, the child could inherit that too. Also, let the child make mistakes and learn from them, just like a real person would.
To start a 'child of ash and serena fanfiction', begin by creating a vivid setting. It could be a small town similar to the ones in the Pokémon series, or a new and exciting location. Next, introduce the child in an engaging way. Maybe show them daydreaming about following in their parents' footsteps while looking at old pictures or trophies. Then, gradually introduce the Pokémon world around them, with the first encounters and interactions with Pokémon and other trainers.
In fanfiction, anything can happen. However, without specific details of the particular fanfic, it's hard to say for sure if Serena is pregnant. Some fanfictions might explore this plotline for the sake of drama or character development. It could add an interesting twist to the relationship between Ash, Serena and Lemon, but it also depends on the overall theme and direction the author wants to take the story.
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.
A great idea could be a fanfiction about Ash and Serena traveling together to a new region to discover rare Pokémon. They could face challenges, make new friends, and help each other grow as trainers. This would focus on their relationship in the context of the Pokémon world and their shared goals.
For Ash, he could develop better communication skills. In the Kalos League, he often gets so focused on battles that he forgets to share his thoughts and feelings with Serena. By learning to communicate better, he can strengthen their relationship. For Serena, she could develop more self - confidence in her own Pokémon training skills. Maybe she starts out doubting herself but as the Kalos League progresses, she becomes more assertive and makes her own mark in the Pokémon training world.
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.
There's also 'Serena's Dream Come True'. In this fanfic, Serena finally gets to achieve her dreams while having Ash by her side every step of the way. It's filled with heartwarming moments and really captures the essence of their relationship in the Pokemon anime. It shows how they support each other in different situations.