I'm not entirely sure as it could be a relatively niche or new visual novel. It might be about the character Takane and perhaps a story of love or some sort of relationship (kimekoi can imply something like falling in love).
One common theme is the exploration of the unique culture of Nadeshiko Village. Another is the development of new ninja techniques specific to the village. Also, the relationships between the villagers, both friendly and rivalrous, are often explored.
The theme of adventure also runs through many 'naruto shizuka nadeshiko fanfic'. They embark on quests, face dangerous enemies, and explore new places in the Naruto universe. This gives the story an exciting and dynamic feel, as the characters constantly face new challenges and overcome them.
Well, without more specific information, it's difficult to say precisely. Generally, a visual novel in this context might have a unique art style influenced by manga. The 'Takane' in the title might be the main character or an important aspect of the story. And 'kimekoi' could imply some sort of focused or intense love or attraction within the narrative.
One common theme is friendship. Often, the fanfics start with them as friends and then explore how that friendship might develop into something more. For example, they might face challenges together that strengthen their bond.
I'm not sure specifically as it could be a relatively unknown or new visual novel. It might be about a story of love ('koi' in Japanese means love) and perhaps some sort of journey or development of characters with 'kime' and 'takane' being names or concepts related to the plot.
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.
One possible theme could be friendship, given the mention of 'osananajimi' which means childhood friends. Another theme might be nature, as 'takane no hana' refers to a flower on a high place.
The 'takane no hana to osananajimi visual novel' could potentially be a story centered around a flower on a high peak ('takane no hana') and childhood friends ('osananajimi'). Maybe the flower has some sort of symbolic meaning related to their friendship. It could be a story of how their relationship evolves over time, with the flower being a constant reminder of their shared past or a goal they are both striving towards.