A common theme is the little sister being a hidden genius like her brothers. She might be involved in solving mysteries that Sherlock and Mycroft can't handle alone. Another theme is family dynamics. It explores how she fits into the already complex relationship between Sherlock and Mycroft. Also, there could be themes of protection, with her brothers being overly protective of her.
Well, for Sherlock and Mycroft's little sister fanfiction, I'd start by looking at specific Sherlock Holmes fan communities. Some Reddit groups dedicated to Sherlock Holmes might have threads about it. They often discuss and share fanfiction they like. Also, if you follow some Sherlock fan accounts on Twitter, they might retweet or recommend good fanfics involving this interesting concept of the little sister.
One interesting aspect of fanfiction involving Mycroft and Sherlock as siblings is the exploration of their childhood. Writers often create backstories that show a more complex relationship than what's shown in the original works. For example, they might delve into how their different personalities developed over time. Mycroft's more reserved and calculating nature could be contrasted with Sherlock's impulsive and brilliant mind. Fanfiction can also introduce new characters that interact with the Holmes brothers, adding new layers to their family dynamic.
Many fanfictions explore the idea of a rift between Mycroft and Sherlock. It could be due to differences in their career choices or their methods of solving problems. However, in these stories, there's often a moment of reconciliation. This might happen when they both realize that they are more alike than they thought and that they need each other to face a common enemy or solve a difficult case.
One great 'Mycroft and Sherlock fanfiction' is 'The Sibling Rivalry'. It delves deep into their complex relationship, showing their brotherly banter and underlying love for each other. Another good one is 'Mycroft's Influence' which explores how Mycroft's actions impact Sherlock's detective work. There's also 'Sherlock and Mycroft: Unseen Moments' that offers some really interesting and heart - warming moments between the two.
One common theme is the power struggle between the two brothers. Sherlock often acts impulsively, which can undermine Mycroft's carefully laid plans, causing him hurt. Another theme is family loyalty. Despite the hurt, there's an underlying sense of loyalty that keeps them connected. For example, in many fics, Mycroft will still come to Sherlock's aid even after being hurt.
The unique aspects in 'Mycroft and Sherlock fanfiction' are numerous. Firstly, the emotional depth given to their relationship. In fanfictions, we can explore their love, envy, and respect for each other more deeply. Secondly, the crossovers with other characters or universes. Sometimes Sherlock and Mycroft are put into situations with characters from other shows or books, creating really interesting scenarios. And finally, the exploration of their inner thoughts. Fanfictions often give us a peek into what Mycroft and Sherlock are really thinking, which is not always obvious in the original works.
She can be a catalyst for change in fanfiction. Her presence might disrupt Sherlock's usual way of doing things. For example, if she suddenly shows up in his life, he may have to reevaluate his solitary lifestyle. In some stories, she could be the key to solving a particularly difficult mystery that Sherlock has been struggling with, perhaps because she has access to a different social circle or has a different way of thinking.
One popular sherlock hurt mycroft fanfiction is 'The Unspoken Wounds'. It delves deep into the complex relationship between the two brothers. In this fic, Sherlock's actions cause emotional pain to Mycroft, and the author does an excellent job of portraying Mycroft's internal struggle as he tries to deal with Sherlock's behavior while still maintaining his own composure. Another good one is 'Beneath the Surface', which shows how Sherlock's brash detective work can have unintended consequences for Mycroft.
In fanfiction, Sherlock Holmes' little sister often serves as an interesting addition to the Holmesian universe. She can be portrayed in various ways. For example, she might be highly intelligent like her brother, with a unique approach to solving mysteries. Sometimes, she's a bit of a rebel, challenging the norms of Victorian society that her brother also tends to defy in his own way. Fanfic authors use her character to explore different aspects of the Holmes family dynamic and to create new and exciting storylines.