Exploring stories between Sadie and Amethyst from 'Steven Universe' always draws me toward their shared but complicated experiences with grief and duty. They're both characters who carry a kind of emotional weight left by their interactions with the Gem world, and a great plot could really unpack that. One idea I love is a story set after the main series, maybe a few years, where Sadie, now managing her own music career, finds herself strangely drawn back to Beach City. Amethyst, who's trying to figure out her own purpose in a peaceful era, starts hanging around Sadie's rehearsals out of boredom or maybe a faint curiosity about human creativity.
Their initial awkwardness could slowly thaw into a unique friendship, built on quiet understanding rather than big conversations. The plot might focus on them collaborating on a song—Sadie writing lyrics that subtly echo her past trauma from being kidnapped, Amethyst contributing a raw, grungy bass line that channels her own centuries of insecurities. The real conflict wouldn't be external; it'd be internal, about whether they can truly see the healed and still-healing parts of each other without flinching. A scene where Amethyst, in her own roundabout way, confesses she sometimes still feels like a defective copy could be met with Sadie simply sharing a story about a song she wrote but could never bring herself to perform.
Another angle could involve a more supernatural mystery. Imagine a forgotten Gem artifact washing ashore that affects human memory, and Sadie is the only one who notices people in town acting oddly. Frustrated and scared, she turns to the one person she knows who understands weird Gem stuff but isn't a Crystal Gem leader—Amethyst. Their investigation becomes this low-stakes but deeply personal journey, with Amethyst impressed by Sadie's stubborn resolve and Sadie seeing a competence in Amethyst she'd never appreciated before. The ending wouldn't need a romantic confession; it could just be them sitting on the roof of the Big Donut, sharing a silent look that says they finally get it, whatever 'it' is between them, with the ocean wind carrying away the last of the tension.