One possible theme could be unrequited love. The title gives the impression that one character has feelings for another who might not be aware or reciprocate right away.
I'm sorry, I'm not very familiar with this light novel specifically. But generally, a light novel often has unique characters and an interesting story. It might be about some kind of relationship between the characters where one has an unexpected or special feeling towards the other as the title seems to imply.
I'm not sure specifically what this 'ore wo suki nano web novel' is about as there could be many web novels with this title. It might be a story about someone's love or affection (since'suki' means like or love in Japanese), perhaps from the perspective of a male character ('ore' can mean 'I' in a masculine way).
I'm not certain where you can specifically find 'ore wo suki nano web novel'. You could try searching on popular web novel platforms like Webnovel or Wattpad. Sometimes these platforms have a wide variety of novels including those with Japanese - inspired titles.
I'm not sure specifically as there could be many light novels with that title or a similar name. It might be a story about a character's love or affection ('suki' means like or love in Japanese), perhaps about the feelings of a male character ('ore' is a somewhat rough way to say 'I' in Japanese).
Since I don't have direct knowledge of the 'Musume Janakute Mama ga Suki Nano' light novel, it's hard to say precisely. However, light novels often have complex characters and plots. It could be about the exploration of an unusual bond that defies the normal perception of a mother - child relationship, perhaps delving into the psychological aspects of the characters involved.
Online platforms like Amazon might have it. They have a wide range of books including light novels. You can search for it by the exact title 'ore wo suki light novel'. Another option could be to check some specialized Japanese book import websites which often have a great variety of light novels.
Since I haven't come across any specific data or discussions about the 'ore wa kanojo o shinjetro visual novel' in terms of its popularity, it's impossible to give a definite answer. It might be popular among a certain subset of the visual novel community if it has unique features like an engaging story, interesting characters, or beautiful art. However, if it lacks in these areas or has not been well - promoted, it could be relatively unpopular. Without more information, we just don't know.
You can try looking for it in local bookstores that specialize in Japanese light novels. Some big - chain bookstores might also carry it if they have a section for imported or niche literature.
I'm not entirely sure as I haven't played this specific visual novel. It could potentially be about a relationship between the protagonist ('ore' which means 'I' in Japanese) and a girl ('kanojo'). 'Shinjetro' might be a name or have some special meaning within the context of the story.