One idea could be to explore Amanda's origin story in the fanfic. Maybe she's from a far - off magical land where butterflies have special powers. Another idea is to have her go on an adventure with other characters, like finding a lost treasure that only her butterfly senses can detect. Or perhaps a story where she uses her butterfly - like grace to save a village from a dark force.
A really interesting angle could be a story that focuses on how Star's friends and family react to her mewberty transformation. Do they support her? Are they afraid? You could show the different perspectives of characters like Moon, River, and Pony Head as they try to deal with this new version of Star.
Another aspect could be the character relationships. Maybe a crossover could lead to unique friendships or rivalries. For instance, characters who are similar in some ways but from different worlds might initially clash before understanding each other better. In a star butterfly crossover fanfic, we could also see how different cultures in their respective universes blend together, like their styles of clothing, food, and social norms.
In a fanfic, Madama Butterfly could lose her memory. Bayonetta then has to help her regain it while also protecting her from enemies who see this as an opportunity to attack. Bayonetta could show Madama Butterfly old memories through their shared magic, and in the process, they both learn more about each other and their own powers.
Yes, Qian Yue's identity in the Moon Breeze Transformation was the Butterfly King. In the storyline, Qian Yue was the only person who could remove the butterfly slave. If she died, the butterfly slave would disappear completely.
One idea could be that there's a portal that accidentally brings Naruto to Star Butterfly's dimension. At first, he's confused by all the magic and strange creatures. Star tries to help him get back home, but they end up on an adventure together. They discover a powerful artifact that an evil force also wants. So, they have to protect it while trying to find a way to send Naruto back.
One plot idea could be that Stanford Pines discovers a portal to Star Butterfly's dimension. He teams up with Star to stop an evil force that is threatening both their worlds. Maybe it's an ancient entity that has the power to disrupt magic in Mewni and the strange anomalies in Gravity Falls.
One idea could be a character with the butterfly bloodline being an outcast in the Hidden Leaf Village at first. Because their abilities seem so strange compared to the common ninja skills. As the story progresses, they prove their worth during a big battle against an invading force. Their butterfly - like wings can be used for both quick evasion and powerful wind - based attacks.
One idea could be Star's journey to discover a new type of magic that has been lost in her family's history. It could involve her exploring ancient libraries and facing challenges along the way.