One possible plotline could be the sister's journey to overcome the abuse. Maybe she finds a support system, like a new friend or a kind neighbor, who helps her gain the strength to stand up against the abuser.
Another plotline might involve Sakura's discovery of her sister's abuse. She could then take it upon herself to protect her sister at all costs. This could lead to various conflicts, such as facing the abuser directly or trying to find legal help.
Perhaps there could be a plot where Sakura is in a difficult situation in Konoha, like being wrongly accused of something. Gaara, who has always had an interest in her skills and her strong will, comes to Konoha to help her clear her name. In the process, they face many challenges together, and this shared experience brings them closer, leading to a budding relationship between them.
Another plotline could involve Tobi protecting Sakura in secret because of their family bond. Maybe there are threats against Sakura and Tobi uses his powers and influence to keep her safe without revealing his identity as her brother at first. This could add a layer of mystery and suspense to the story.
One possible plotline could be Draco finally standing up to Lucius after years of abuse. He might find the strength within himself, perhaps with the help of a friend like Harry Potter. Another could be Lucius realizing the error of his ways and trying to make amends, which would be a complex and emotional journey for both characters.
One possible plotline could be Damon gradually finding the strength to stand up to his father. Maybe he starts by confiding in a close friend, who then helps him gather evidence of the abuse to take to the authorities.
One possible plotline could be Narcissa finding the strength to break free from Lucius's abuse and seek help from her friends or family within the wizarding world. She might start to secretly learn defensive magic to protect herself.
Maybe Sakura is a healer in a small village. A gypsy arrives with a strange illness that no one in the village can cure. Sakura tries her best to help the gypsy, and in the process, she discovers that the gypsy has a unique connection to an ancient magic. This leads Sakura to learn more about this magic from the gypsy, which changes her life and the way she views the world around her.
One possible plotline could be that a friend of Izuku discovers the abuse. This friend then tries to get help for Izuku, perhaps by reaching out to other heroes or adults. Another plotline might involve Izuku finally standing up to his abuser after the discovery. He could start to gain more confidence in himself and his abilities.
One plotline could be that they are both trying to uncover a family secret. Maybe there's something about their parents or ancestors that has been hidden, and they have to work together to find out the truth. Along the way, they face various obstacles and make new friends who help them in their journey.
One possible plotline could be Ironhide discovering the abused OC and becoming their protector. He might use his strength and loyalty to keep the OC safe from their abuser.
One possible plotline could be that Harry, after being abused, feels a sense of desperation and a lack of support from the good side. He might be lured by Voldemort's power and the false promises of a new order where he won't be abused. Voldemort could manipulate Harry by showing him a different way of life, perhaps one where he has more control and respect.