Another plot could involve Blue Diamond being forced to team up with Steven to save the universe from a new, powerful threat. During their adventure, they gradually learn to respect and trust each other. For example, Steven shows Blue Diamond the beauty of Earth's life, which she has long underestimated.
One idea could be that Steven tries to understand Blue Diamond's past traumas and helps her heal. Maybe he uses his unique powers of empathy to break through her cold exterior.
One idea could be that Steven discovers a hidden memory of Pink Diamond that changes his perception of her. Maybe it reveals a side of her that was never known before, and he has to come to terms with this new understanding while also dealing with the reactions of the other Crystal Gems.
A possible plot could involve a mystery surrounding an ancient power that only Blue Diamond and Pink Diamond together can unlock. It could start with strange events occurring in their realms that seem to be connected to this power. Also, a plot about them swapping places for a day and learning about each other's responsibilities and the challenges they face would be interesting. There could also be a story where they discover a hidden prophecy that involves their fates being intertwined in a way they never expected.
One idea could be an OC Diamond who has different powers compared to the known Diamonds. For example, the ability to control time in a limited way. This could create interesting storylines where the OC Diamond tries to fix past mistakes within the Steven Universe world.
Well, perhaps there could be a plot where Greg is somehow transported to the Gem homeworld. Blue Diamond finds him there and is initially hostile as he is a human. But as Greg shows his gentle and creative side, Blue Diamond's perception of him changes. They could then embark on a journey across the Gem homeworld together, with Greg introducing Blue Diamond to human concepts like family and love in a more in - depth way, and Blue Diamond protecting Greg from the perils of her world. This journey would strengthen their relationship and lead to a unique form of connection between them.
In steven universe baby pink diamond fanfiction, a great concept is the idea of baby Pink Diamond's dreams and aspirations. Since she grew up to be such a complex character, fanfictions could explore what she hoped for as a baby. Did she dream of ruling over planets? Or was there a part of her that always desired something different? Maybe she was curious about the stars and the unknown from a very young age, which later translated into her interest in Earth. Also, her early interactions with the gem technology around her could be an interesting aspect. How did she learn to use her gem powers? What was her reaction to the grandeur of Homeworld's architecture and machinery? All these elements can make for very engaging fanfiction stories.
Perhaps Steven finds himself in a situation where he has to protect a number of characters, and in the process, they all fall for him. Like he could be on a mission to save some of the corrupted Gems, and as he heals them, they see his pure intentions and are drawn to him. This could lead to a harem where they all vie for his attention in different ways, some being more shy and others more bold in their affections.
One common plot element is the exploration of Blue Diamond's past through her interaction with Steven. Another could be a situation where they are forced to rely on each other in a difficult situation. For example, they might be stuck in an alien environment together.
Another option is an ancient evil that was once sealed away by the Diamonds long ago. But due to some recent events in the Steven Universe universe, it is starting to break free. This evil force could target Blue Diamond because of her past actions and Steven because of his potential to stop it.
Well, a possible plot might involve Blue Agate being out of her element in a situation that Steven is very familiar with, like a human party. Steven helps her navigate through it and she starts to see the appeal of human ways. Or perhaps they get caught in a time - loop and have to keep reliving a particular day until they figure out how to break it together.
A possible plot is that Naruto and Steven are summoned to a world where a prophecy states they will form a harem to bring balance. Each member of the harem has a special role or power related to either Naruto's world of ninjas or Steven's gem world. As they interact, there are comical misunderstandings due to their different backgrounds, but they gradually form deep bonds and work towards fulfilling the prophecy.