Perhaps the cat tail is a curse at first. Adrien has to deal with all the awkwardness it brings, like not being able to hide it properly. But as time goes on, he realizes that the tail gives him an edge in certain sports or activities, like climbing. So it turns from a curse to a sort of advantage.
Maybe in the fanfiction, Hermione discovers that her tail is a sign of a long - lost magical heritage. This could lead her on a journey to discover more about her family's past and the powers associated with having a tail. Along the way, she might face challenges from those who want to use her new - found connection for their own gain.
The plot could involve a dark magic spell gone wrong. Harry gets cursed with cat ears and a tail. He then has to find a way to reverse it while dealing with the strange new sensations and the reactions of his friends. Some might find it hilarious, while others might be worried about him.
One possible plot could be that Adrien discovers some dark secrets about his family or the superhero world. Maybe he feels betrayed by Ladybug or the other heroes. This disillusionment could push him towards the dark side. For example, if he finds out that his father was a victim of the so - called 'good' superheroes' actions in the past, he might want revenge.
His friends might be really surprised at first. Marinette, for example, would probably be a bit flustered seeing Adrien with a cat tail. But then they would get used to it and might even find it cute. Some friends like Nino could make jokes about it in a friendly way.
Maybe Adrien got cursed and started acting like a cat. He might start chasing yarn, purring when happy, and rubbing against people's legs.
One possible plot could be that Natsu's nightmare is related to losing his friends. In the nightmare, he might see Fairy Tail being destroyed and his friends being hurt or disappearing. This could lead to him waking up in a panic and then being extra protective of his guildmates in the real world.
Well, perhaps Adrien has been reading a lot of cat - themed books or stories that are full of puns. He decides to tell his dad these puns to brighten his day. For example, he says 'Dad, I heard that cats are great at multi - tasking. They can nap and look cute at the same time!'. His dad might then join in and they could have a fun time coming up with their own cat puns.
Maybe there's a magic spell gone wrong in Paris, and Marinette is the only one affected in this unique way. She then has to deal with the attention she gets, both positive and negative, from her classmates. Chat Noir might be intrigued and offer to help her understand her new feline side, leading to some cute and comical interactions.
Well, in Dragon Ball lore, Gohan's tail was a Saiyan trait. In this fanfiction, it might mean he has more access to his Saiyan instincts. Maybe he can transform more easily into a Great Ape or use some of the primal Saiyan powers that were associated with the tail.
One possible plot could be that Adrien has been through some sort of difficult situation, like being trapped in a cold place for a long time, which has made him limp and still cold. His friends or a special someone then tries to nurse him back to health and warmth.