Yes, they can be quite popular among some fans. There are those who enjoy exploring the romantic and more sensual side of the Witcher characters through fanfics.
There's a fanfic called 'Lemon in the Witcher's World'. It could potentially involve a story where Geralt has some unexpected romantic and sensual encounters while on his quests. The author might use vivid descriptions to bring out the emotions and the setting of the Witcher world in this context.
I'm not sure if there are specifically popular'mirror lemon fanfics' as it depends on the niche of the fandom. Some small, dedicated fandoms might have such works that are popular within their own circles, but it's not a mainstream or widely known type of fanfic in general.
There might be some out there, but without more knowledge about what 'kalawarner' is exactly, it's difficult to determine if there are popular fanfics of this type. It could be that it's a relatively unknown or emerging area of fanfiction, and popularity would depend on how large and active the relevant fan base is.
Probably not. The Naruto fandom is huge and has a wide variety of fanfics, but ones specifically related to 'pheromone lemon' seem rather odd and not likely to be mainstream popular. Most fans are more interested in fanfics that explore the established relationships, battles, and character developments from the original series.
Ginny Weasley lemon fanfics may have a niche following. While the Harry Potter fandom is vast, not everyone is interested in this type of fanfic. Those who are into more mature or adult - oriented fanfiction might be the ones interested in such Ginny - related works. But compared to fanfics that focus on things like Ginny's role in the wizarding world battles or her family relationships, they are not as popular. Because a large part of the fandom consists of younger fans and those who prefer to stay within the boundaries of the original story's tone.
It's hard to say if sasuke kushina lemon fanfics are popular in general. Their popularity might be limited to a niche group of fans who are interested in that particular pairing and the kind of content that 'lemon' implies. Some fans might be drawn to the idea of exploring a relationship between Sasuke and Kushina in a more romantic or edgy way, but others may not be interested in this type of fanfic at all.
I'm not sure about the popularity of Jin and Asuka lemon fanfics specifically. Fanfic popularity can vary a great deal depending on the fandom, the nature of the relationship in the original work, and the type of content fans are interested in. Some fans might be drawn to more romantic or angsty fics rather than those with 'lemon' content.
They may not be as widely popular as mainstream Incredibles fanfics. The reason is that lemon fanfics often contain mature or adult - themed content which limits their appeal to a broader audience. Only a niche group who are interested in such content might seek them out.
They have a niche popularity. Since Magic the Gathering has a large and diverse fan base, there are always fans who want to explore different facets of the game's universe, including the more romantic and steamy relationships through fanfics. But they may not be widely known or accepted by all fans due to the nature of their content.
I'm not sure about the popularity of specifically lemon fanfics regarding Sasuke and Sakura. Since lemon fanfics often have adult - like content, they might not be as widely promoted or discussed in mainstream fan communities compared to more general and appropriate fanfics about them.