I'm not entirely sure specifically what 'oboro visual novel' is about as there could be many with that name. It might be a story - perhaps a fantasy one, or it could be centered around character relationships and their growth.
In niles x oboro fanfiction, the theme of cultural exchange can be quite prevalent. Niles and Oboro come from distinct cultures, and writers may use this as a backdrop to explore how their cultures interact through their relationship. This could involve things like sharing traditions, language barriers, and different values. Another common theme is the idea of redemption or growth. Maybe one character has a past they're not proud of, and through their relationship with the other, they find a way to become a better person.
You can try searching on fanfiction websites like Archive of Our Own (AO3). Just type in 'Fire Emblem Oboro x Niles' in the search bar, and it should show relevant fanfictions.
One common theme is loyalty. Fans often write about how Oboro and Niles are loyal to each other in their relationship. Another is adventure. They might be on a journey together and their relationship grows during that time.
To some extent, it is popular. There are many online platforms where MHA adult fanfiction can be found. The popularity might stem from the fact that the MHA world has a rich cast of characters and a complex universe. Fans who enjoy adult - oriented storytelling might use these characters to create their own narratives that are more in line with their interests in terms of relationships, power dynamics, and personal growth, all with an adult twist.
Several characters have met their demise in the MHA manga, but it's a bit complex to list them all precisely. Some of the notable ones include [mention specific characters if known].
I think it's hard to say for sure. There are a few characters who could potentially be the traitor, and it's all part of the mystery and suspense of the story.
Sure. One place to look for 'niles x oboro fanfiction' is Archive of Our Own (AO3). There are often many creative works there. You can also check some fanfiction - related forums where fans might share their works or recommend ones they've read.