One great fanfic could be 'Illya's Adventure in the Magic World'. It explores Illya's journey in a new magical realm with unique challenges and character development.
The light novel follows Illya, who becomes a magical girl. She gets involved in various adventures, often related to the Holy Grail War in a different context compared to the main Fate series. There are battles against other magical entities, and she also has to deal with her own growth as a magical girl and her relationships with the other characters.
The main character is Illya. She is a young girl who becomes a magical girl. Ruby is also important as she is the Kaleidostick that helps Illya in her magical girl activities. Miyu is another significant character, who has her own secrets and plays an important role in the story.
It's about Illya, who becomes a magical girl. She gets involved in various adventures and battles. There are also elements related to the Fate series' lore.
One common theme is self - discovery. When they travel through time, both Shirou and Illya often learn more about themselves and their true natures. For example, they might face situations that force them to confront their fears or desires in a new light.
Another one is 'Journey Through Time with Shirou and Illya'. It's a more light - hearted take on the time travel theme. The story is filled with humorous moments as Shirou and Illya navigate through different eras. It also has some really cute interactions between the two characters that fans of the pairing will surely enjoy.
Power and its consequences are common themes. Since Shirou has certain powers in the Fate Kaleid universe, fanfictions often deal with how he uses them, and what happens when he misuses or overuses them. Also, the theme of sacrifice is there. Shirou is a character known for his self - sacrificing nature, and this is often emphasized in fanfictions.
There's also 'The Bonds We Forge'. This fanfic focuses on how Illya and Shirou gradually come to rely on each other. It has some really heart - warming scenes that show their growing connection. It often features them facing challenges together and how that strengthens their bond.