Some fanfictions focus on the sister's role in a team - up with Izuku and Shouto. They go on missions together and she has to use her wits and skills to contribute. There could be a plot where she gets kidnapped by villains and Izuku and Shouto have to rescue her, which shows their deep bond and determination to protect her. And in some stories, she might be the key to unlocking a new power or ability for one of the boys.
One well - written sister character could be a girl named Aya. She's often depicted as intelligent and having a quirk that allows her to manipulate the elements in a different way than Shouto. Her character arc might involve her coming to terms with her powers and her place in the world of heroes.
One plot idea could be that female Izuku and Shouto are paired up for a special hero training mission. They start off not getting along well because of their different approaches to heroics. Shouto is more by - the - book while Izuku is more instinctive. But as they face various challenges during the mission, they begin to understand and respect each other's methods, and a romantic bond starts to form.
Communication is key. In the fanfiction, they could start having study sessions together. As they talk about their hero theories and strategies, they also start sharing personal stories. Shouto might open up about his relationship with his father, and Izuku could talk about her journey to become a hero despite being a girl in a somewhat sexist society. This will make them understand each other better and bring them closer.
One popular plotline is Izuku and Tsuyu teaming up for a challenging mission at school. They use their unique quirks in tandem to overcome obstacles. For example, Izuku's super strength combined with Tsuyu's frog - like abilities like her long tongue and ability to climb walls can make for an exciting adventure. Another plotline could be a story where they have to help each other grow as heroes outside of school, facing real - world problems and learning from one another.
One popular plotline could be the exploration of Lilith's sister's powers. Maybe she has powers that are different from Lilith's and she uses them to either help or hinder the Winchester brothers. For example, she might have the power to manipulate time, which could create some really interesting scenarios where she tries to change events in the Supernatural universe for her own reasons.
One possible plotline could be Izuku having superhuman abilities that are not like the normal quirks in the original story. For example, he might have the ability to manipulate time or space in ways that are completely unheard of in the My Hero Academia universe. This could lead to him being both feared and revered by others.
One possible plotline could be Izuku using his knowledge of Pokemon to help him in his hero training. For example, he might study how Pokemon use their unique abilities and apply similar strategies in combat against villains.
One popular plotline is them teaming up against a common enemy. For example, a powerful new monster that threatens their friends and family. They use their combined skills, Percy's water - related powers and Thalia's lightning abilities, to fight it off.
A popular plot could be the little sister getting into trouble in the feudal era that Kagome often visits. Maybe she accidentally breaks an important item in a village, and Kagome has to find a way to make amends while also protecting her sister from the angry villagers. It adds an element of adventure and conflict to the story.
Often, there are plotlines centered around the sister's role in Naruto's growth. She might be the one who encourages him to master a new technique or helps him deal with his inner demons. In other cases, the twin sister is kidnapped or in danger, and Naruto has to go on a rescue mission. This not only shows their bond but also gives the opportunity for action - packed scenes. There are also fanfictions where the sister has a hidden power that is linked to Naruto's own power, and they have to figure out how to use it together.