Well, it could be about their adventures together. Maybe they go on a quest to save their world from some sort of dark magic. They might discover new powers along the way and form a strong bond as friends or more.
One characteristic could be the exploration of their relationship, whether it's a deep friendship or a more complex dynamic. Another might be the use of the unique settings or story elements from the original source material that features these characters.
One common theme is friendship. Aaron and Ein are often depicted as having a deep and meaningful friendship. They support each other, have fun together, and are always there in times of need.
One common theme is friendship. Since Aphmau and Ein are from the same universe, many fanfics explore how they can become friends despite their differences. Another theme is adventure. Writers often send them on exciting quests together.
One great 'aphmau x ein fanfic' is 'Aphmau and Ein's Unlikely Bond'. It focuses on how their characters, with their different personalities, come together in a really interesting story. The author does a wonderful job of building their relationship gradually, and the plot has some exciting twists and turns.
I'm not sure which specific 'ein x aaron fanfic' you might like. You could try searching on popular fanfiction websites like Archive of Our Own. They have a wide variety of fanfics, and you might be able to find some great ones there.
Hardly. Fanfics that gain popularity usually have elements that resonate with a large number of fans. For Sonic and Blaze, it could be their heroic deeds, their unique abilities, or their interactions with other characters. The 'impregnation' concept in this fanfic is so unusual and not in the typical vein of what fans look for in Sonic and Blaze fanfics that it's not going to be a popular type.
There could be. Fanfiction writers often come up with unique pairings. However, it might not be as common as some other pairings. You could also check fan communities dedicated to the characters Johnny Blaze and Lilith. They might be able to point you to some good fanfics or even have some written by their members.
Adventure is also a frequent theme. They are both characters associated with action and exploration, so many 'tails x blaze fanfic' will have them going on various adventures together, facing different challenges along the way. These can range from fighting powerful villains to exploring unknown lands.