One possible plotline could be Keith's struggle to adapt to his new female body. He might face challenges in how others perceive him now, especially among his friends and allies. For example, some might treat him differently, either with more protectiveness or with new - found romantic interest. Another plotline could involve Keith exploring the differences in how society treats women compared to men in the context of this fictional world. He could use his new perspective to fight for gender equality within the story's setting.
A plotline could revolve around Keith trying to find a way to turn back into his original male form. In the process, he discovers new aspects of himself and his relationships. Maybe he realizes that his feelings for a certain character are deeper than he thought, and the transformation makes him re - evaluate those emotions. Also, there could be a plot where Keith has to deal with new physical abilities or limitations that come with being a girl, like different combat styles if it's in an action - oriented fanfiction.
A plotline could be that Keith is an undercover agent or spy, and being a girl would put her at risk in her mission. So she pretends to be a boy. As the fanfiction unfolds, she has to balance her real self and her false identity while also dealing with the challenges of her mission and the people she meets during it.
One possible plotline could be Kagome initially struggling with her new demonic form. She might have to hide from her friends at first because she's afraid of how they'll react. Another could be that she discovers new powers along with her transformation and has to learn to control them. For example, she could gain enhanced speed or strength.
One possible plotline could be that Robin's friends have to take care of him in his kid form. They might struggle with things like getting him to school or dealing with his childish tantrums. Another could be that Robin in his kid form has some special powers or abilities that he doesn't have as an adult, which could lead to all sorts of adventures. For example, he might be able to communicate with animals more easily.
One possible plotline could be that Keith is kidnapped by an enemy force. His friends then embark on a dangerous rescue mission, facing various challenges along the way. Maybe they have to infiltrate a heavily guarded enemy base to find and free him.
One reason could be a jutsu gone wrong. Maybe an enemy uses a forbidden jutsu on Sasuke that has an unexpected side effect of changing his gender.
A plotline might also involve Harry's relationships changing. As a girl, his/her romantic relationships could take a different turn. The pregnancy could add an extra layer of complexity. For example, if there was a previous romantic interest in a female character, that dynamic could shift completely. Also, there could be a sub - plot about how the wizarding society views a pregnant, transformed Harry, and the challenges he/she faces in a world that has certain expectations and norms.
One possible plotline could be Naruto having to deal with the new social dynamics as a girl. For example, she might face different expectations from her friends and sensei. Another could be how she adapts to her new physical form during training, like how her changed body affects her chakra control. And also, there could be a romantic sub - plot where characters who were just friends before now see her in a different light.
One possible plotline could be Keith growing up not knowing Lotor is his dad. Then, through some series of events in the story, like a battle or a discovery in an ancient ruin, he finds out the truth. This could lead to a lot of internal conflict as he has to come to terms with who his father is, considering Lotor's actions in the original series.
Perhaps in the fanfiction, Lauren is being punished for disobeying a powerful entity in the 'lost girl' world. The spanking could be seen as a way to humble her and make her realize her place. It might also be a way to show her vulnerability and growth as a character within the alternate storylines created by the fanfiction writer.
One possible plotline could be that the new family is very loving and patient. They slowly help the little girl to open up and trust again. For example, they might introduce her to new hobbies like painting or gardening to help her heal. Another plotline could involve the girl having some initial difficulties adjusting, but then she finds a special bond with one family member, like an older sibling who protects her. The new family could also be involved in some sort of community activity that helps the girl make new friends and feel more included in society.