In this fanfiction, it might be that Ami and Makoto are characters in a world where neck kisses have a special meaning. It could be a cultural or magical thing. Ami kisses Makoto's neck as a way to transfer some sort of power or energy to him, or it could be a way to mark him as special in their community's eyes.
Makoto could be shocked at first. His eyes might widen and he might freeze for a moment, not knowing how to react to this sudden display of affection. Then he might blush and stutter, trying to find the right words to say.
Friendship is a very common theme. Given their relationship in the original work, many fanfictions explore how they support and care for each other as friends. They might have heart - to - heart conversations or help each other out in difficult situations.
One possible aspect of this fanfiction could be exploring the unspoken bond between Ami and Makoto. Since they are often the quiet ones, their relationship might develop in a very subtle way. For example, they could start by sharing small glances during group meetings. Then, gradually, they might find themselves sitting next to each other more often, without really saying much at first. As the story progresses, they could start to open up to each other about their insecurities and dreams. Maybe Ami shares her concerns about always being seen as just the smart one, and Makoto reveals her fear of being overlooked because she's not as outspoken as some of the others.
Some Ami and Makoto fanfiction might focus on their adventures together in the context of their original story's world. For example, they could go on a quest where their individual strengths, like Ami's intelligence and Makoto's physical power, complement each other. It's also common to see fanfiction that delves into their emotional bond, how they support each other through tough times in the story's universe.
One possible plotline could be a moment of intense passion during a dangerous situation. For example, they might be in the middle of a battle against dark wizards, and Ron, fearing for Hermione's life, shows his love and protectiveness with that kiss on her neck. It could be a spur - of - the - moment thing that makes them realize their deep feelings for each other even more.
One place to find such fanfiction could be Archive of Our Own (AO3). There are many talented writers in the Harry Potter fandom who might have created stories with this scenario. You can search for relevant tags like 'Ron/Hermione' and 'kissing' to narrow down the results.
Well, it could be that the author of the fanfiction is exploring a more complex relationship between Fleur and Hermione. Maybe in this particular fanfiction's universe, there are different cultural or magical reasons for Fleur to kiss Hermione's neck. It could be a greeting in a certain magical culture they've created, or it could be related to a spell or charm that has some sort of connection to the neck area, and Fleur is using this as a way to interact with Hermione in a unique way.
Another reason could be related to a spell or a magical effect. There might be a love - inducing spell or some kind of magic that made Draco act in this way towards Hermione. The neck kiss could be the first physical manifestation of this magically influenced attraction.