One common theme could be friendship. It might show the closeness and comfort between Buck and Eddie as friends. Another theme could be support, like Buck sitting on Eddie's lap in a moment of distress to seek or offer support.
I'm not sure of specific 'buck sits on eddie's lap fanfiction' titles off the top of my head. However, if you join some fan communities dedicated to the show that these characters are from (maybe a 9 - 1 - 1 fan community), you can ask the members there. They are often really helpful and might be able to point you to some great fanfics with that scenario.
One common theme is friendship exploration. It often shows how close they are as friends and how this physical closeness can strengthen their bond. For example, in some stories, it might be a moment of comfort during a difficult time at Hogwarts.
Friendship is a very common theme. Writers often explore how Eddie and Buck have each other's backs no matter what. They show that their bond is unbreakable.
There are also fanfictions that focus on the potential for a romantic relationship between them. These stories often explore the slow - burn aspect of their relationship, with lots of moments of hesitation and realization of their feelings for each other.
A possible plotline could be a moment of comfort. For example, if Hermione is upset or stressed, she sits on a friend's lap (maybe Harry or Ron) for solace and they have a heart - to - heart conversation. Another could be a romantic plotline where she sits on the lap of a love interest as a flirtatious or affectionate gesture, leading to a deeper exploration of their relationship.
There is a fanfiction called 'Unexpected Closeness'. In this story, Hermione sitting on Harry's lap is part of a series of events that lead to a deeper understanding between them. It delves into their unspoken feelings and how this simple physical closeness changes their dynamic.
One possible plot could be a moment of deep friendship. Maybe they are in a private chamber, discussing a serious matter about the kingdom. Merlin, in his eagerness or perhaps to show his loyalty closely, sits on Arthur's lap. They then have an intense conversation where Merlin reveals some hidden knowledge or a plan to save Camelot from an upcoming threat.
Another theme could be family. With mpreg, a new family dynamic is created. It might show how their friends and family react to the news, and how Buck and Eddie build their own family unit. There could also be themes of support and protection, as they navigate through this unusual situation.
One popular 'buck and eddie kiss fanfiction' is 'A New Beginning' on FanFiction.net. It beautifully captures their relationship and the build - up to that special moment.