Fukuzawa, the president of the Armed Detective Agency, would be a good character to include. His leadership and wisdom can influence the events involving Soukoku. Higuchi, who is loyal to Akutagawa, can also be added. Her interactions with Soukoku can be used to explore the power dynamics within the Port Mafia. And Elise, Mori's ability manifestation, can add an element of mystery and unpredictability to the fanfic.
Popular shin soukoku fanfics usually have a strong emotional core. They make readers feel the connection between the two characters, whether it's loyalty, love, or just a deep friendship. The pacing is also important. It shouldn't be too rushed or too slow. A good fanfic will have a balance, gradually building up the story. Additionally, the fanfic might incorporate elements from the original work's world - building, like the different organizations in Yokohama. This gives a sense of familiarity and authenticity to the readers.
Sure. 'A Bond Beyond Duty' is a great shin soukoku fanfic. It delves deep into the relationship between the two characters, showing their growth and how they support each other. Another one is 'Under the Moonlight'. It has a very interesting plot that takes the characters on an adventure, exploring different aspects of their personalities. And 'In the Shadows of Yokohama' is also popular, with its unique writing style that makes the story really engaging.
Dazai is not based on a true story. Usually, characters like Dazai are formed through the author's imagination and artistic expression to create an engaging narrative for the readers.