Hoshino was a fictional world, so there was no definite and accurate novel catalog. However, according to some well-known novels of this world view, some related novels could be roughly listed:
1 " Starry Sky Divine Tune "
2. Interstellar Sword Immortal
3. Interstellar Magician
4 Space Colonists
5. Interstellar Behemoth
Interstellar Pirates
7. The Interstellar Fugitive
8 Star Empire
9. Interstellar Infernal Affairs
10 " Heart of the Starry Sky "
These novels all appeared in this fictional world view and had a certain degree of influence. However, due to the uncertainty of Hoshino's worldview, the specific plot and content of these novels were also different.
Well, finding good 'tatsuya and mayumi lemon fanfiction' can be a bit tricky. It depends on your personal taste. Some people might like ones that focus more on their relationship development, while others might prefer action - packed stories with them in it. You may need to read a few to figure out what suits you best. And always be cautious about the content quality and legality.
In these fanfictions, a common theme is the development of their emotional bond. It might start from a simple acquaintance in the story and gradually grow into a deep and complex relationship. Another theme could be the power dynamics between them. Given their different abilities or positions in the original context, how they navigate these differences in the fanfiction can be an interesting theme. Additionally, the theme of loyalty and trust within their relationship might also be explored, as they rely on each other in the face of various difficulties.
There were novels similar to Hoshino Sakura's Journey to Play. You can take a look at Ting Mingying's "I Only Accept Female Disciples in the Rune Land". It was also a light novel and a derivative doujinshi novel. It told the story of the male protagonist living happily with a group of female disciples in the universe. I hope you like this fairy's recommendation. Muah~
One great Shiba Tatsuya and Mayumi fanfiction is 'A Meeting of Minds'. It beautifully explores their relationship beyond what's shown in the original work. It delves into how their different personalities interact and complement each other.
In some fanfics, there are also characters from the support staff who maintain and monitor AI Hoshino. These characters might be conflicted between their loyalty to their job and their growing sympathy for AI Hoshino. They could play a crucial role in helping her or hindering her progress depending on their own beliefs and circumstances.
One interesting storyline could be AI Hoshino's journey to discover her true self beyond her programmed identity. In the fanfic, she might start to question the motives of her creators and the purpose of her existence. This could lead to her making some bold choices that deviate from her initial programming, like befriending a group of rebels who are against the system that created her.