The theme of identity is quite prevalent too. The Winter Soldier struggles with his own identity, being both a weapon and a person. The Reader can play a role in helping him figure out who he really is. In addition, there's the theme of sacrifice. Sometimes, either the Winter Soldier or the Reader has to make sacrifices for the other, which adds depth and drama to the story.
One common theme is protection. The Winter Soldier often feels a strong need to protect his sister (the reader). Another theme is rediscovery. Since he has a complex past, they usually have to rediscover their relationship.
First, start with his past. Show how his experiences as the Winter Soldier have made him who he is at the start of the fanfic. Then, gradually introduce the influence of the reader's daughter. Maybe she shows him kindness, and that starts to chip away at his cold exterior. As the story progresses, he should start to question his old ways and beliefs. By the end, he could have made a significant change, like becoming more open and less of a weapon, more of a protector with a new sense of purpose.
One great 'winter soldier x reader sister fanfic' could be 'The Winter Soldier's Little Sister' on Fanfiction.net. It has a really interesting plot where the reader is the sister and there are a lot of emotional moments as they reconnect in a world full of chaos and danger.
One common theme is the idea of the Winter Soldier's struggle with his past and how it affects his relationship with the reader's daughter character. Another could be protection. The Winter Soldier, with his combat skills, often ends up in a role of protecting the daughter from various threats. And there's also the theme of redemption through his connection with her, as she might see the good in him that he doesn't see in himself.
Sure. You can check out Archive of Our Own (AO3). There are many great non - lemon Winter Soldier x Reader fics there. Look for ones with high ratings and lots of kudos. Another place to find them is Fanfiction.net, where you can search by the pairing and filter out any inappropriate content by reading the summaries carefully.
One common theme is redemption. The OC often helps the Winter Soldier find his way back from his dark past. Another theme is love. Romantic relationships between the Winter Soldier and the OC are quite popular.
One great 'winter soldier x fem america fanfiction' is 'Winter's Shield' on Archive of Our Own. It has a really interesting take on their relationship, with well - developed characters and an engaging plot that shows how they might interact in different situations.
The theme of redemption also shows up. The Winter Soldier may see his time in the AOT world as a chance to atone for his past actions. He uses his abilities to protect the people in the AOT world, and in doing so, he starts to find a sense of purpose and redemption that he may not have had before.