You could write an OC fanfiction where the OC is a young animal who idolizes the Lion Guard. This OC could try to prove themselves worthy to join the Guard. They might start off clumsy and inexperienced but through hard work and determination, they grow and develop. Maybe the OC has a special talent like being able to communicate with plants, which could be useful in protecting the environment of the Pride Lands. This could create a story full of growth, friendship and adventure.
An interesting concept for Lion Guard OC fanfiction would be an OC that comes from a different time period. For instance, an animal from an age long before the Lion Guard was formed. This OC could have ancient knowledge or powers that are now forgotten. They could be brought to the present time in the Lion Guard story by some magical event. Their presence could disrupt the normal order of things in the Pride Lands as the Lion Guard tries to figure out whether this OC is a friend or a foe, while the OC tries to adapt to this new and strange world.
One idea could be an OC who has a special power like the ability to communicate with all animals, not just the ones in the Pride Lands. This OC could use this power to solve a big mystery that's threatening the balance of the ecosystem.
For Lion Guard fanfiction, you might consider a story where the Lion Guard has to face a new and powerful enemy that is not from the Pride Lands. This enemy could bring a whole new set of challenges and force the Guard to adapt and learn new skills. You could also write a fanfiction about the daily lives of the Lion Guard when they're not on duty, showing their more relaxed and fun side, like how they play games or share stories with each other.
For 'the lion guard crossover fanfiction', consider a crossover with 'Zootopia'. The Lion Guard could travel to Zootopia and be amazed by the different animals living together in a city. They might get involved in a mystery in Zootopia, like helping Judy Hopps solve a case that involves some of the African animals. This could lead to interesting interactions between the Lion Guard's more natural and wild ways and the civilized society of Zootopia.
One idea could be exploring Janja's backstory. Maybe he wasn't always so mean. Another could be a story where Janja teams up with the Lion Guard for a common good, like saving their territory from a greater threat.
A more complex idea could be that some of the Lion Guard members gain Pokemon - like abilities. Kion, for instance, could develop a power similar to a fire - type Pokemon's, which he could use to protect the Pride Lands more effectively. This would involve changes in their relationships and how they interact with their environment, as they adapt to these new powers.
One idea could be a human character getting lost in the Pride Lands and having to learn the ways of the animals to survive. They could form an unlikely bond with a member of the Lion Guard.
One idea could be a story where the Lion Guard has to face a new and mysterious threat in a lemon - filled jungle. Maybe there's a villain who is using the lemons to create some sort of chaos, like making traps out of lemon juice that can paralyze the animals. The Lion Guard then has to figure out how to overcome this unique threat using their individual skills.
One idea could be creating an OC who is a lost cub from a different pride. This cub could bring new perspectives and skills to Simba's pride. For example, it might know special hunting techniques or have a unique way of communicating with the other animals in the Pride Lands.
Another plot could involve a human who has a deep knowledge of ancient Pride Lands lore. The Lion Guard discovers the human while on a quest to solve a mystery that is endangering their home. The human helps them decipher old symbols and tales, leading to the discovery of a powerful weapon or magic that can save the Pride Lands.
A cool Lion King female OC for a fanfiction could be a lioness who was raised outside the Pride Lands. She has different values and skills compared to the pride. For example, she might be an expert at fishing in the nearby water sources, which is something new to the pride. Her presence could cause some conflict at first as the pride is used to their traditional ways, but in the end, she helps them adapt and expand their knowledge. She could also fall in love with a male lion from the pride, adding a romantic sub - plot to the fanfiction.