Well, one interesting plot could be the little lioness's journey to find her place in the pride. She might face challenges from other lions who don't accept her at first.
Another plot could involve the little lioness befriending an unlikely animal in the savannah. This friendship could lead to some unique adventures and help her learn about different ways of life. In some fanfictions, she might use this new knowledge to bring about positive change in her pride.
Perhaps a plot where the little samurai has to protect a village from a group of bandits. He uses his unique skills and courage to defend the innocent villagers. In this process, he also grows as a person and as a samurai. He might make new friends among the villagers and they help him in unexpected ways during the battle.
Obviously, the little lioness herself is a main character. She is likely to be the focus of the story, with her growth and development being central.
One interesting plot could be Elsa and Anna going on a magical adventure outside of Arendelle. They might discover a hidden land filled with unique creatures and have to use their sisterly bond and powers to overcome challenges there.
A possible plot is that Renesmee gets into trouble with some vampires who don't trust her because of her unique nature. Jacob steps in and tries to make peace between them. He uses his relationship with Renesmee and his standing among the Quileute to negotiate a truce, all while their bond grows stronger in the face of the conflict.
One interesting plot could be a young adventurer from Little Lamplight leaving the safety of the place to explore the wasteland and their encounters with various creatures. They might find an old pre - war technology that could potentially change the fate of Little Lamplight.
One interesting plot could be her going on adventures with Natsu and his friends. She might have unique magical abilities that help the group in their quests.
A possible plot is that Klaus and Caroline start to explore their feelings for each other in a more intense way. They might go on a journey to find a place where they can be themselves without the judgment of others. Along the way, they face various challenges that test their relationship and make them realize how much they mean to each other.
In a fanfiction, there could be a story where a pony discovers a magical artifact that can control Godzilla. At first, the pony uses it for fun, making Godzilla do small things like create waterfalls with its tail. But then, an evil force tries to steal the artifact to use Godzilla for destruction. The ponies then have to protect the artifact and convince Godzilla to help them fight the evil.
One interesting plot could be Hisoka's sister getting involved in the Hunter Exam. She might use her unique skills, perhaps some that are similar to Hisoka's but with her own twist, to navigate through the challenges. For example, she could have a special ability to read opponents' intentions like Hisoka, but she uses it in a more empathetic way to avoid fights when possible.
One interesting plot could be that Gaara's little sister has a special power that she has to keep hidden from the village at first. This creates a lot of mystery and tension as she tries to navigate her life without being discovered.