In many fanfictions, Natsu might get jealous of Lucy when she spends time with other characters. For example, if Lucy is training with Gray more often, Natsu could feel left out and jealous. His jealousy might stem from his deep bond with Lucy, which he may not fully understand himself.
In many fanfictions, Annabeth might be jealous of Percy because of his popularity or his close relationships with other characters. It could also be due to his natural talent in certain areas that overshadows her own at times.
Perhaps in the fanfiction's universe, red has some special powers or abilities that are getting all the spotlight. Blue, being overshadowed, starts to feel jealous. This shows how power dynamics and recognition can play a big role in causing such an emotion.
In a Hisoka OC jealous fanfiction, the OC's jealousy could be a driving force for character development. If the OC is jealous of Hisoka's relationship with someone else, it could make the OC strive to become stronger or more appealing to Hisoka. Maybe the OC starts training harder or changes their appearance to gain Hisoka's attention. This jealousy could also create drama and tension in the story, especially if the OC decides to confront Hisoka or the person they're jealous of.
One possibility in a Castle and Beckett jealous fanfic could be a new character entering the scene. For example, a famous detective from another precinct comes to help on a case. This detective might show a romantic interest in Beckett, which makes Castle jealous. He starts to act out, being overly protective and a bit more sarcastic than usual. Beckett, on the other hand, might not notice Castle's jealousy at first, thinking he's just being his normal self. But as time goes on, she realizes his feelings and it could lead to a big confrontation between them, which ultimately strengthens their relationship.
In some fanfictions, Hermione might apologize to Harry for being overbearing. Maybe she realizes she's been too pushy with her studies or her plans, and she says sorry for not considering Harry's feelings more. For example, if she's been forcing him to study for exams when he's clearly stressed about Voldemort. It shows her growth as a character.
In many fanfictions, Bulma's love for Vegeta might be a slow - burning process. It could begin with their shared experiences, like fighting against common enemies. Their constant bickering might also be a form of flirting in disguise. As time passes, Bulma realizes her feelings for Vegeta are more than just friendship or admiration.
In this type of fanfiction, the setting might play an important role. For example, if it's set during their final year at Hogwarts, Hermione might be under a lot of stress about exams and the future. But her feelings for Harry are so strong that she decides to take a risk and confess. This could lead to a whole new dynamic in their friendship and how they interact with Ron as well.
Well, Adrien could be jealous of Luka in fanfiction for a number of reasons. For one, Luka has a really cool and unique style. He's also very in tune with his emotions. If in the fanfic Luka is making moves on the girl Adrien likes, like Marinette, then of course Adrien would be jealous. Luka's calm and collected nature might also seem more appealing to some characters in the story, which would irk Adrien.
Perhaps in this fanfiction, Peter sacrifices himself for the greater good of his community. He could be in a post - apocalyptic world where resources are scarce, and he gives up his life so that others can have a chance to survive. He might be a key figure in a resistance group, and his sacrifice becomes a symbol of hope for the survivors.
She might start to blush furiously. Given her character, she is a bit shy when it comes to romantic matters. And then she might start to stammer out a response, not really sure what to say at first. As she composes herself, she could tell Natsu that she has feelings for him too but in a very gentle and sincere way.