For Six, you can explore her past more deeply. Maybe show flashbacks of her life before the events of the game that led her to be so resourceful and resilient. As for the Lady, you could give her more humanizing traits, like a hobby or a soft spot for something.
Perhaps Six has a change of heart and tries to understand the Lady's motives more deeply. She could discover that the Lady was once a victim herself and was forced into her role, leading to a complex relationship development in the fanfiction.
Fanfiction about Mono and Six in Little Nightmares can be really interesting. It often explores their relationship in more depth. Some fanfics might focus on their adventures together before or after the events in the game. It can show different sides of their characters, like Mono's determination and Six's survival instincts.
A possible fanfiction could explore their relationship deeper. Maybe Mono has a nightmare about losing Six and wakes up in a cold sweat. Six comforts him, and they realize how much they rely on each other in this cruel world of Little Nightmares. They then vow to protect each other even more fiercely.
In Little Nightmares fanfiction, the Lady is often depicted as an enigma. She has this air of mystery and authority. Her appearance, with her long dress and pale face, gives her a rather haunting look. Some fanfictions might explore her backstory, like what led her to be in control of the Maw. Maybe she was once a victim herself and was corrupted by the power within the Maw.
Well, it could be a story about Seven and Six's adventure in the dark and strange world of Little Nightmares. Maybe they team up to face a new and even more terrifying threat that the original game didn't show. For example, they might discover a hidden part of the Maw where a powerful and evil entity resides, and they have to use their wits and each other's strengths to survive.
One popular theme is friendship. Given their journey together in the game, fanfics often delve into how Mono and Six form a bond. Another theme is survival. They are in a very dangerous world, and fanfictions can show their struggle to stay alive in different situations.
Since there's no clear information on a specific 'Little Nightmares Six Story', we can only speculate. It might expand on the themes of fear, isolation, and the struggle for survival that are prevalent in the series. It could introduce new areas of the world, like a different part of the Maw or a completely new and equally horrifying location. Six might also face moral dilemmas as she continues her journey, which would add more depth to the story.
Common themes in male Six Little Nightmares fanfiction include the transformation of male Six. This could be a physical transformation, like developing new abilities to better survive, or a mental and emotional transformation as he endures the horrors of the game world. Another theme is the relationship between male Six and the environment. How does he interact with the grotesque and dangerous settings? Is he able to use the environment to his advantage? And of course, the theme of fear is always present, as the world of 'Little Nightmares' is full of terrifying elements, and male Six has to face his fears head - on in many of these fanfictions.
Another fanfiction could focus on a different ending for Six. Maybe in this fan-made story, Six doesn't have to go through all the horrors alone and she teams up with other characters in a more positive way, changing the whole course of her journey.