A good fanfiction should have well - developed characters. It should show Ahsoka's strength and complexity as a character, and also Lux's charm and his own set of values. Their kiss should be a natural progression of their relationship, not something forced.
Perhaps Lux has been secretly in love with Ahsoka for a long time. He arranges a surprise for her on her home planet. They go on a journey through a beautiful forest, sharing stories and memories. As the sun sets, the atmosphere becomes so romantic that they share a kiss. This could be the start of a new relationship filled with adventures and mutual understanding.
A major theme could be the blurring of boundaries. Ahsoka is a Jedi, and Lux has his own path. Their relationship and this wedding - like moment in the fanfiction might explore how they break the traditional boundaries of their respective roles. It could also be about loyalty. They are loyal to each other and this loyalty is what brings them to this point of a wedding - like commitment.
One possible fanfiction could involve Ahsoka and Lux having an adventure on a planet rich in lemon - like fruits. Maybe they have to solve a mystery related to these fruits that are vital to the local ecosystem. They could encounter various challenges and their relationship could develop further through these experiences.
Ahsoka and Lux could find a lemon - colored crystal that gives them special powers. They then have to figure out how to use these powers for good while also facing off against an enemy who wants the crystal for their own evil purposes.
A fanfiction about Lux and Ahsoka with the 'you may kiss the bride' scenario could be a really interesting take on their relationship. It might be a story where they end up in a situation like a wedding, perhaps in an alternate universe. It could explore their feelings for each other in a more romantic and committed context than what we usually see in the regular Star Wars lore.
One possible plot could be them starting a family. They might face difficulties in protecting their family from the remnants of the Separatist forces. Another could be them trying to bring peace to a war - torn planet using their combined skills and influence.
Yes, there are some. You can check out fanfiction platforms like Archive of Our Own. There you might find various stories exploring their relationship post - marriage, with different plotlines such as them facing challenges together in the Star Wars universe or building a new life.
One great Ahsoka and Lux fanfiction could be where they team up to solve a mystery on a new planet. It could involve them using their unique skills, Ahsoka's combat abilities and Lux's diplomatic knowledge.
The 'fish out of water' trope can also be seen, like when Lux is in a situation more familiar to Ahsoka as a Jedi, or vice versa. It creates interesting situations for character development. There's also the 'redemption' trope where one of them might be in a situation where they need to be redeemed in the eyes of the other.