Well, without more context, it's hard to say exactly. But generally, 'feel good stories' often involve things like acts of kindness. Maybe Jerry Kost has stories about times when he witnessed someone helping another in a really touching way, or stories about people overcoming difficulties and finding happiness in the end. It could also be stories related to beautiful friendships or relationships that he has experienced or observed.
It's possible to come across such a fanfiction. Sometimes fans get creative and come up with unique storylines like this. You could search on dedicated fanfiction platforms using relevant keywords.
Typically, 'gamzee x kanaya fanfic' often explores their contrasting personalities. Gamzee is often depicted as more chaotic while Kanaya is more composed. So, the fics may show how they balance each other out. For instance, in some fics, Gamzee's wild energy might be tamed by Kanaya's calmness.
One common theme is the exploration of their contrasting personalities. Kanaya's calm and composed nature against Rose's more complex and sometimes impulsive self. For example, in many fanfictions, they help each other grow by learning from these differences.
The 'karkat x kanaya complimentary colors fanfic' might explore the relationship between Karkat and Kanaya in the context of their being like complimentary colors. It could delve into how their personalities, which might be as different as complimentary colors, interact. For example, if one is more brash and the other more calm, their exchanges could be full of tension and growth. It might also use the concept of complimentary colors in a more symbolic way, like their roles in a story being intertwined like how complimentary colors enhance each other in a visual sense.
As I'm not familiar with these stories, I can't provide a particular example. But if they are like most feel - good stories, an example could be a story about a lost pet being reunited with its owner. Maybe Jerry Kost has a similar story in his collection where something precious was lost and then found, bringing great happiness.
Another theme is adventure. Given the Homestuck universe's nature of having various quests and challenges, Rose x Kanaya fanfictions may feature them going on adventures together. They could be facing off against enemies or exploring new parts of their world while strengthening their bond in the process.
In Gamzee x Kanaya fanfiction, the way their cultural backgrounds are incorporated can be fascinating. Gamzee from his own wild upbringing and Kanaya from her more refined troll society. Fanfic authors can use these differences to create conflict or a deeper understanding between the two characters. For example, they might have different views on things like art or social hierarchies, and how they overcome or don't overcome these differences makes for an interesting read.
You can try fanfiction platforms like Archive of Our Own (AO3). There are a large number of Homestuck - related fanfictions there, and you should be able to find some great Rose x Kanaya ones. Just use the search function and type in 'Rose x Kanaya' to narrow down the results.
Well, I know a 'gamzee x kanaya fanfic' called 'Mixed Hues'. In this fic, the author does an amazing job of delving into their emotional connection. It starts with a chance encounter between them and then gradually unfolds their story. There are some other fics too. For example, 'Gamzee and Kanaya: A Different Path' which takes a unique approach to their relationship, showing how they support each other in unexpected ways.