Well, 'kuro' often means black in Japanese. So 'kuro densha' might refer to a black train within the story of the visual novel. It could be a key element, like a mysterious black train that has some special significance, perhaps it's a mode of transportation to a different world or a place full of secrets in the visual novel's plot.
Well, a 'kuro inu visual novel' could potentially revolve around the concept of a black dog (kuro inu in Japanese). It might tell a story set in a particular cultural context where the black dog has some symbolic meaning. Maybe it's a story of friendship between a human and this kuro inu, or it could be a more supernatural tale where the dog has special powers.
I have no knowledge of a hentai Oreimo visual novel. Usually, such specific and niche content can be hard to find. Maybe you could try reaching out to experts or enthusiasts in the related field.
Some alternatives include 'Ace Attorney' series. It's a visual novel with a detective - like story where you solve cases. Also, 'Danganronpa' offers a thrilling mystery - survival plot. These visual novels offer great stories, interesting characters, and unique gameplay elements without any inappropriate content.
In many places, buying hentai visual novels may be illegal as they often contain pornographic or sexually explicit content which violates laws regarding obscenity.
There are indeed non - hentai Digimon visual novels. For example, some official Digimon games for consoles might have visual novel - like elements where you progress through a story, make choices, and interact with the Digimon world in a family - friendly way. They usually center around things like training your Digimon, exploring digital worlds, and taking part in Digimon tournaments.
It is generally not legal. Hentai visual novels typically involve sexually explicit content. Laws around the world vary, but in many countries, any form of pornography, including in the form of visual novels, is prohibited or heavily regulated to protect public morals and the well - being of individuals, especially minors.