Friendship is a very common theme. The bond between Naruto and his aniki is often explored, showing how they rely on each other. Another common theme is growth. They both grow as ninjas and as people throughout the story.
There are so many light novels out there, and 'ooga to aniki to doreichan' is one that might not be on everyone's radar. It might have a particular writing style that sets it apart from other light novels. The characters named 'ooga', 'aniki' and 'doreichan' could be the central focus, with their adventures, emotions, and growth being the main aspects of the story. It could also be influenced by Japanese culture and traditions, which are often incorporated into light novels.
I'm not sure what makes it special as I'm not familiar with it. It could be its characters. Maybe 'ooga', 'aniki' and 'doreichan' have very unique personalities that draw readers in.
There's a fanfiction called 'Naruto Aniki: The Bond'. This story delves deep into the relationship between Naruto and his aniki. It shows how they support each other through tough times in the Hidden Leaf Village. The author does a wonderful job of character development, making it feel like a natural extension of the original Naruto story.
The theme of acceptance is quite common. Fem Luffy often has to be accepted by the other characters in the story. This could be because she's different due to her gender or her slightly different personality traits. Also, the theme of self - discovery is prevalent. As fem Luffy navigates the pirate world, she discovers more about herself, her abilities, and her place in the grand scheme of things.
Here are a few recommendations for novels about transmigrating into Luffy:
1. [One Piece: Shadow Assassin]: This novel tells the story of an assassin's adventures in the world of pirates.
2. [One Piece: The Imitation Master on the Hat Boat: The protagonist of this novel has obtained the special ability to imitate others and tells his story in the world of One Piece.]
3. One Piece: Dominate the World: The male protagonist traveled to the world 16 years after Luffy became One Piece. Together with Luffy, he eradicated despair and demonstrated the operation and power of the world of pirates.
I hope these recommendations will meet your needs.
Nami could also be a common character. She might help Luffy manage the financial aspects of his admiral duties, as well as use her navigation skills to assist in any navy - related voyages. And of course, she'd be there to keep Luffy in check when he gets too carried away.
Female Luffy may have a different body shape. Instead of the muscular build of the original Luffy, she could be more slender but still strong. Her hair might be styled differently too, maybe longer or in a different color. Also, her clothing choices could be more feminine while still maintaining the pirate - like style.
In Luffy harem fanfiction, his relationships often start from friendship. Since Luffy is a friendly and open - hearted character, the female characters are first drawn to him as friends. For example, Nami might start as just a crewmate but gradually develop deeper feelings. His relationships develop as he goes through adventures together with them. They see his courage and selflessness, which makes them admire him more.
Rayleigh would be a great candidate. He's an experienced pirate and has already trained Luffy for a while. He has a lot of knowledge about the world of pirates and could give Luffy a talk about the deeper secrets of the Grand Line or how to deal with the powerful enemies that lie ahead.