Sasuke could also be a good pairing. Sasuke's brooding and powerful nature combined with Labrys' own abilities would make for some intense scenes. They could start off as rivals and gradually develop a mutual respect as they face common enemies together.
The pairing of yosuke and labrys can be interesting because they come from different backgrounds within the Persona universe. Their interactions can create unique storylines.
There could be a fanfiction where Labrys has to adapt to the ninja world in Naruto. She might struggle with the different customs and fighting styles at first. For example, she has to learn how to use chakra instead of her normal power source. This story could explore her journey of fitting in and making new friends among the ninja.
Another option is to use search engines like Google. Type in 'yosuke x labrys fanfic' and see what comes up. Just be careful to avoid any untrusted or inappropriate websites. Some fanfics might be rated, so you can also look for ones with the appropriate rating for your preference.
The main theme is often considered to be about the power of literature. It shows how books can shape lives, hold memories, and have a lasting impact on individuals and society.
In 'Library of Light and Shadow: A Novel', the main theme could potentially be the journey of self - discovery. The contrast between light and shadow can symbolize the different aspects of a person's self. The characters might be on a quest to understand their true selves, facing both the bright and dark parts within. They may have to navigate through their own personal 'library' of experiences, which are filled with moments of light (happiness, success) and shadow (sadness, failure), in order to find their place in the world.
The main theme could be about identity. Without a shadow, the man might be seen as lacking a certain aspect of his being that is typically associated with having a complete physical presence. It could also explore themes of isolation, as being different in such a fundamental way might set him apart from others.
It could be about the transience of life. Just as a shadow passes quickly, perhaps the events and characters in the novel are a representation of how fleeting life is and how things can pass by without leaving a strong mark.