If it's a fanfiction set in a particular anime or manga universe where sakura is present, the main character could be the protagonist from that universe who has a special encounter or relationship with sakura and the tied - up ribbon. For instance, in a magical girl anime setting, the main magical girl could discover a power or a mystery related to sakura and the ribbon. This would then make her the main character driving the story forward.
Well, 'sakura tied up ribbon fanfiction' could potentially be a story set in a Japanese - inspired world. Sakura is often associated with Japan. The tied - up ribbon could be part of a traditional Japanese gift - wrapping style. Or it could be that a character named Sakura is wearing a ribbon that gets tied up in some sort of adventure or romantic encounter. It really depends on the creativity of the fanfiction writer.
She might be tied up because she's been captured by an enemy. Enemies could see her as a valuable hostage, either to get information from her or to use her to bargain with her team.
I think the main character would be an infant. Infants are usually the ones associated with being in a diaper all day. They are not fully developed in terms of bladder and bowel control, so they need to be in a diaper. The story might focus on this infant's day - to - day life in the diaper, how it affects their movements, and the interactions with their caregivers while in this state.
It could be a new demigod who has a grudge against Percy and somehow convinces Annabeth that Percy is a threat, leading to her tying him up. So this new demigod would be the antagonist.
It could be a new dark wizard or witch who is trying to gain power. They see Hermione as a threat due to her intelligence and magical abilities, so they immobilize her to stop her from interfering with their plans.
Sakura would probably be furious at first. She is a strong - willed character. She might start yelling at Sasuke, demanding an explanation right away.
A fan who really likes Sakura and wants to show her strength. They might be tired of seeing Sakura always in a support role and want to create a scenario where she takes the lead and shows her power by beating up Naruto.
Team Rocket is the most likely candidate. They've always been after Ash's Pikachu and tying him up would be a way to stop him from protecting his Pokémon. They could use ropes or some kind of Pokémon - powered restraining device.
Since we don't know the specific 'tied up wedgie boy story', it's hard to say who the main character is. But it's likely a boy who is the victim of the tied - up and wedgie situation.
Sakura's friends like Naruto and Sasuke could be main characters. They might be the ones trying to find a way to save her. They could be using their skills and powers to look for a cure or a solution.