I'm not entirely sure as I haven't read it specifically. But generally, a light novel often contains elements like unique characters, a fictional story setting, and may involve themes such as friendship, adventure, or coming - of - age.
One special thing is its unique story. It often features a blend of slice - of - life and romantic elements. The characters are well - developed, especially Nogizaka Haruka herself. Her character has a certain charm that draws readers in.
The 'kawari nadeshiko 3 shimai no himitsu light novel' could cover a wide range of topics. Given that it involves three sisters and their secrets, it might explore their relationships with each other. There could be internal family dynamics at play, like jealousy, rivalry, or unconditional love. It may also be set in a particular fictional setting, such as a magical realm or a historical period. The secrets could be related to their identities, perhaps they are not what they seem to be, and as the story progresses, these secrets are gradually revealed, leading to various plot twists and turns.
Since I don't know much about 'anime himitsu no hanazono story', it could be a story filled with mystery and adventure, perhaps centered around a secret garden (hanazono means flower garden in Japanese) and the secrets within it. Maybe there are unique characters with their own stories and quests related to this secret garden in the anime.
It might be a romantic - comedy genre. The 'futari' (two people) aspect often lends itself well to comedic situations in love stories. And since it's a love story with a 'step up' which could imply some sort of development, it could have elements of humor along with the romance. For example, the two characters might get into funny situations as they try to move their relationship forward.
Another place to look could be local Japanese or Asian markets that sell books. They might have a selection of light novels. Also, you can ask in anime or manga fan communities. People there might know where to find this particular light novel, either through their own collections or from other reliable sources.
You can try looking for it in local bookstores that specialize in Japanese literature or light novels. Some large chain bookstores might also carry it if they have a section for imported books.
Since I don't know the exact details of 'futari ecchi step up love story', I can only make some general assumptions. In a love story, there is often an initial attraction between the characters. In this case, perhaps the 'futari' (two people) start with a certain level of connection, and as the story progresses, they 'step up' in terms of their emotional commitment. There could be plot twists, like misunderstandings or external factors trying to pull them apart, but ultimately their love story unfolds in a unique way that the title implies.
One of the main plots is the relationship between the male and female protagonists. They start with a somewhat secretive connection and gradually develop deeper feelings for each other.