Yes, they are relevant. The OVA (Original Video Animation) of Black Butler often contains side stories or additional content that is related to the overall world and characters of the original story. It can provide more depth to the existing characters, their relationships, and the setting of the Black Butler universe.
The Black Rock Shooter OVA mainly focuses on the relationship between two girls. One girl is in a rather tough situation at school, facing bullying and feeling isolated. Black Rock Shooter, who exists in another dimension, seems to be connected to her emotions. As the story progresses, the battles that Black Rock Shooter has in her world are intertwined with the emotional struggles of the girl in the real world. Eventually, it shows how the power of friendship and facing one's inner self can overcome difficulties.
In the Black Rock Shooter OVA story, the girl in the normal world is a main character. She has to endure the hardships at school, such as being ostracized. This girl's story is important as it sets the emotional context. Black Rock Shooter is another main character. She exists in a different realm and is constantly in battles. Her battles are a reflection of the girl's internal struggles, and together they form the core of the story.
The OVA contribute by expanding the world - building. We get to see more of the Victorian era setting, the different social classes and how they interact, which is relevant to the original story's backdrop.
There might be a fanfiction where the black lion is a mysterious traveler from a far - off land. He brings new ideas and ways of hunting to the Pride Lands. In this story, the black lion could face challenges from the traditional lions who are hesitant to accept change, but eventually wins them over with his skills and charisma. This type of fanfiction can explore themes of acceptance and innovation within the 'Lion King' universe.
The Lion King can be seen as a black story in some aspects because it might touch on themes of power, community, and identity that resonate with the black experience.
I think it's not a strictly black story. It's a tale that can be appreciated by people of all backgrounds and races, with universal themes of family, courage, and self-discovery.
There are several characters that could enhance the 'Shiro and the Black Lion fanfiction'. Kolivan, the leader of the Blade of Marmora, could be added. His experience and skills could be valuable in a mission related to the Black Lion. Narti could also be an interesting addition. Her ability to see through the eyes of others could provide a unique perspective in the story. And Romelle, with her knowledge of the Altean colony, might bring new information that is crucial for Shiro and the Black Lion's journey.
There's a fanfiction where the black lion is actually the long - lost son of a former great king. He has been raised in exile by a group of friendly animals. When he returns to the Pride Lands, he has to prove his worth and claim his rightful place as the king. The plot thickens as there are other lions who want the throne for themselves and will stop at nothing to get rid of him.
I'm not entirely sure if there is a specific fanfiction with 'Harry is a black lion animagus' but it's a very interesting concept. The Harry Potter fandom is vast and diverse. Some fanfictions are really well - hidden. You might have to dig deep into the archives of fanfiction websites or even contact some of the more dedicated Harry Potter fanfiction writers to see if they are aware of such a work.