Rapunzel would probably be very curious. She might see the ghost as another adventure or a chance to learn more about herself. Since she has such an open - minded and positive attitude, she would likely follow the ghost willingly and be eager to see what the past has in store for her to discover.
The King and Queen might be more solemn. They could see the ghost as a sign or a way to understand their past mistakes. Maybe they would see how their actions in the past affected Rapunzel's life and the kingdom as a whole. They would be more reflective and perhaps use the experience to make amends or be better rulers in the future.
Flynn Rider, on the other hand, might be a bit more skeptical at first. He's a bit of a rogue, and he might think it's some kind of trick. But once he realizes it's real, he would be interested in seeing his own past and how it led him to Rapunzel. He would be more guarded but still intrigued.
If the characters in Tangled were to watch fanfiction, their reactions would depend on their personalities. Maximus, the horse, might not have much of a reaction as he can't really read or understand the full depth of it, but he might sense the excitement or confusion of the other characters. Rapunzel, being a kind - hearted and curious character, would likely approach it with an open mind. She might enjoy seeing the different ways fans have imagined her relationship with Flynn, and might even be inspired to add some of the creative ideas she sees into her own life in the tower or during her adventures. Flynn, being a bit of a rogue, would probably find the more adventurous and daring fanfictions to be right up his alley and might even brag about some of the cool scenarios fans have written him into.
In this short story, the Ghost of Christmas Past could take Flynn Rider back in time. He would see how Rapunzel was before he met her, all innocent and trapped in the tower. This would make him realize how much she has changed his life. Maybe he would also see his own past, his thieving ways, and compare it to the new, more honest person he has become because of Rapunzel. The Christmas setting could add a touch of magic and warmth to these flashbacks.
Issei would probably be both scared and excited. He's used to dealing with powerful beings, but the Ghost Rider is on a whole different level. He might initially try to fight him out of bravado, but soon realize he's outmatched. Rias would be more cautious. She would see the Ghost Rider as a potential threat to her peerage and would try to figure out his motives before taking any action.
Since I haven't read the story, I can't say for sure. But it could be a family, like a mother, father, and their children. Maybe an older relative like a grandparent who has a lot of stories about past Christmases.
He would probably be quite amused by some of his past antics. For example, his constant pranks on Iruka-sensei. But at the same time, he'd also see the pain he carried from not having his parents and realize how that influenced his actions. He might react with a bit of regret for some of the stupid things he did out of loneliness, but also be glad that those experiences made him who he is today.
In the story, the 'Ghost of Christmas Past' is a mysterious entity. It is a spirit that appears to the main character. This ghost is like a time - traveler of sorts. It can access and show the character's past Christmas experiences. It's described as having a certain ethereal quality, with a kind of otherworldly glow. It's not just a simple ghost but a symbol of the past and its influence on the present. It serves as a guide for the character to see his own history and how it has shaped him.
Captain America would probably be very reflective. He might see his past self as a reminder of his long journey and how much he has changed. He could try to offer some words of wisdom to his younger self.
Luffy would be really emotional. He might laugh at the funny parts of Ace's past and cry at the sad ones. He loves his brother so much that any story about Ace would have a big impact on him.
Hero characters might analyze it from a moral perspective. They could either approve or disapprove of the way the story is told in the fanfiction depending on whether it aligns with their sense of right and wrong. Villain characters, on the other hand, might look for ways to use the ideas in the fanfiction to their advantage, like new ways to create chaos.
Naruto would probably be very curious about Rapunzel's long hair at first. He might keep asking her how she can control it so well. And Rapunzel would be amazed by Naruto's ninja skills, like when he does his rasengan. She would probably want to learn some of those cool moves. Naruto, being the friendly and helpful type, would be happy to show her some basic ninja stances.