Not knowing the Tyler Joseph and Jenna Black story means we can't define its significance. It could potentially be a story about love, which would have significance in Tyler's personal growth and emotional development. Or perhaps it was a story of professional collaboration that had an impact on his career in some way. But until more is revealed about who Jenna Black is and what their relationship is all about, we're left in the dark about the significance of their story.
Yes, there are quite a few. You can start by looking on popular fanfiction websites like Archive of Our Own. Just search for 'Tyler Joseph Jenna Black' and you'll find a variety of stories. Some might be based on their real - life relationships, while others could be more fictional scenarios created by fans.
I'm not entirely sure who Jenna Black is in relation to Tyler Joseph specifically. Tyler Joseph is known for his work in Twenty One Pilots. Maybe Jenna Black could be a personal acquaintance, a friend, or someone involved in a specific project with him, but without more context, it's hard to tell the full story.
Archive of Our Own is a good place. It has a large collection of fanfictions. Just use the search bar and type in 'Tyler Joseph Jenna Black' and it will show you the relevant stories.
One great Tyler Joseph and Jenna Black fanfiction is 'Our Story' which beautifully depicts their relationship in a very heartwarming way. It shows their journey together, with all the little moments that make their bond special.
Jenna is likely the main character in the story. She could be a young girl, a teenager, or even an adult. Since the story is named after her and the black cat, she's probably the one whose experiences are central to the plot.
As we don't have much information about this specific story, Jenna could be a protagonist who is a slave. She might be a symbol of the resilience of slaves in the face of the cruel institution of slavery.