It depends on the individual personalities of the BTS vampires in the fanfiction. One vampire might be really excited to hear about Daredevil and engage in long conversations with the kid about the character's abilities and storylines. Another might be more aloof but still secretly impressed by the kid's passion. And yet another could see it as an opportunity to teach the kid some real - life skills that are different from what Daredevil does, using their own vampiric knowledge and powers.
Well, the vampires of BTS might be initially intrigued by the kid reader who is a Daredevil fan. They could see the kid's courage, inspired by Daredevil, as something both endearing and a bit of a mystery. Maybe they would try to protect the kid from the darker aspects of their vampire world, while also being fascinated by the kid's knowledge of Daredevil.
The BTS vampires might interact with the kid reader in a very gentle way. They could offer the kid small gifts, like a pretty flower they found in the forest at night (since they can move around at night).
Well, in this kind of fanfiction, the vampires from BTS might initially be intrigued by the kid reader. They could be protective, seeing the innocence in the kid. Maybe they would shield the kid from other dangerous vampires or supernatural threats in their world.
They would probably be very concerned. Jungkook might be the first to approach her and offer his help. They'd do whatever they could to make her feel better, like giving her a warm hug.
The other members might be initially shocked. Jin, being the eldest, would probably try to find a way to 'cure' Jungkook. Suga would be more reserved but also worried, and might start researching about vampires. J - Hope would be the one trying to cheer Jungkook up, telling him that it's okay and they'll figure it out together. RM, as the leader, would be concerned about how this will affect the group's image and their future activities, but also about Jungkook's well - being.
The relationship can start with curiosity. The vampires are curious about this human child who is so different from their usual prey. The child, on the other hand, might be in awe of the vampires' powers and appearance. This mutual interest can lay the foundation for their relationship.
A kid reader might be really excited. They could be drawn in by the cool characters and the unique setting of the Undertale world in a dreamy context.
In some cases, the reader could be in a state of shock and disbelief. They might not believe that this is really happening. But as they come to terms with the situation, they could start to form a plan. Maybe they try to appeal to Loki's better nature, if they believe he has one, by talking about his past actions and relationships that show his capacity for good.
Hermione would probably be very curious about them. She'd want to study how their K - pop culture and magic from their world interact. Harry might be a bit more cautious at first but then befriend them. Ron, on the other hand, would be most interested in the food they bring from their world.
The main character might not be so clear - cut. It could be a shared role between the Rescue Heroes as a group and the Daredevil Reader. The fanfiction could focus on the dynamic between the two parties, showing how they both influence the events and each other. For example, the Rescue Heroes' actions could inspire the Reader to be more cautious in some situations, while the Reader's boldness could inspire the Heroes to take more risks when necessary.