One idea could be a story where Ruby and Coco team up for a special mission. Maybe they have to infiltrate an enemy base, and Ruby's speed and Crescent Rose combined with Coco's fashion - inspired weapons and strategic mind make them an unbeatable duo.
Adventure is also a popular theme. Writers often send them on quests or missions together. For example, they might be exploring an unknown part of their world, facing dangerous Grimm. This allows for exciting action scenes and the opportunity for the two characters to bond further during the adventure.
One great Ruby and Coco fanfiction is 'The Unlikely Duo'. It has an interesting plot where Ruby and Coco team up for a mission that was initially thought to be a simple one but turns out to be full of twists and turns. The author does a great job of portraying their different personalities and how they complement each other during the adventure.
Well, a great moment could be when they first meet in a fanfiction. The initial exchange of words, the sizing up of each other's abilities. It sets the tone for their relationship. For example, if Ruby is in awe of Coco's cool and collected demeanor, and Coco is intrigued by Ruby's raw talent.
In fanfiction, they could also develop their relationship through a friendly rivalry. They could compete in things like combat training or fashion design (since Coco is into fashion). This kind of rivalry would be healthy and would push them both to improve. And at the end of the day, they would still be friends who support each other. For instance, if Ruby loses in a combat training match, Coco would give her tips to improve, and vice versa.
One idea could be that Ruby and Coco team up for a special mission in a dangerous, uncharted part of Remnant. They face new Grimm and have to rely on each other's unique skills to survive. Coco's fashion - sense - related weaponry could combine with Ruby's speed and scythe skills in interesting combat sequences.
Velvet is often paired with Coco in fanfiction. They are both from the same school and have a pre - existing friendship in the RWBY series. Writers like to explore their relationship further, perhaps in a story where Velvet gets into trouble and Coco has to rescue her, deepening their bond.
One common theme is Coco's leadership. Many fanfictions explore how she leads her team in different situations, like in battles or when making difficult decisions. Another theme is her fashion sense, often used as a way to show her personality and confidence.
A fanfiction that I really like is 'Coco's Guidance'. In this story, Coco takes Velvet under her wing in a more pronounced way. It shows how Coco's confidence and style influence Velvet, and how Velvet in turn brings out a softer side of Coco. 'The Fashionable Duo' is also a good one. It plays on their different styles, both in fashion and combat, and how they complement each other. There's also 'When Coco Met Velvet' which is a great origin - story - type fanfic that details how their relationship began at Beacon.