Not necessarily. " Love in the Sky " was a manga created by the Korean manga artist, Zhao Shi, not a novel. The female lead in the manga, Mika, did not appear in the novel. Although the manga and the novel had the same name, their stories and character settings were different. If you are interested in " Love Sky " or other novels, I suggest you read the novel or watch the movie to learn more about the female lead, Mika.
The plot might be what makes it special. It could have an original and captivating storyline. Maybe it's a fantasy world filled with magic and mystery, or a deep exploration of human relationships in a modern - day setting.
If Mika's light novel has elements of mystery and adventure, then 'Kagerou Daze' could be a similar read. And 'The Melancholy of Haruhi Suzumiya' has a certain charm in its characters and story - telling that might be reminiscent of Mika's light novel.
Well, without more information about this War Dog Mika, it's difficult to give a detailed story. However, war dogs often have very brave and interesting tales. They are an important part of military history. Some war dogs are adopted after their service and live out their days in peace. Maybe Mika had some heroic deeds in the battlefield, like saving soldiers' lives by alerting them to hidden dangers.
I'm not sure how popular it is exactly. It might be popular among fans of the original Rainbow Mika character or those who are into visual novels in general. But without more data, it's difficult to determine its popularity.
One possible fanfic could be about Mika and Krul forming an unexpected alliance. Maybe they have to work together to face a common enemy that threatens both of their existences. In this story, Mika might start to see Krul in a different light, not just as a vampire but as someone with her own motives and desires.