Well, first of all, we might expect some great character development. The fanfic could explore how Ash and Serena have changed since coming to Alola. And of course, the kiss itself could be described in a very romantic way. It might also include the reactions of other characters around them, like their Pokémon. For example, Pikachu could be looking on with a cute expression. And there could be some conflict or tension before the kiss that makes it even more exciting when it finally happens.
We can expect a lot of emotions. It could show the build - up of their feelings towards each other during their time in Alola. Maybe there are special moments in the Alola region that lead to this kiss, like exploring a beautiful beach or having a heart - to - heart conversation under a starry sky.
In a fanfic about Ash and Serena's kiss in Alola, we can anticipate a deep exploration of their relationship. Since Alola is a place full of new adventures and challenges, their experiences there would have influenced their feelings. The fanfic could start with the two characters gradually realizing their deeper emotions for each other. There could be sweet and tender moments shared during their Alola journey, like helping each other with Pokémon battles or learning about the local culture together. The kiss would then be a natural progression of their relationship, symbolizing their new - found closeness. It might also touch on how this relationship affects their future plans, whether it's Ash's continued Pokémon journey or Serena's own goals.