I'm not entirely sure as I haven't played this specific visual novel. But generally, visual novels often involve a story with characters and a plot. It might be about a relationship between the main character (suggested by 'ore' which means 'I' in Japanese) and the girl ('kanojo') and some kind of explanation or development ('su wake').
I'm not sure where you can specifically find this visual novel. You could try looking on popular visual novel platforms such as Steam. Sometimes, official websites of visual novel developers also sell or distribute their games.
Well, 'yandere kanojo ga isekai novel' could potentially be a story where the female lead who is a yandere gets sent to an isekai world. Maybe she uses her yandere tendencies to get what she wants in that strange new world. It could be full of drama, as she might be overly protective of someone she likes in the isekai world, or she could be causing chaos because of her extreme love and possessiveness.
I'm not familiar with the specific details of this novel, but typically in such a story, the yandere kanojo would be a main character. There could be a male lead that she becomes obsessed with in the isekai world. And then there might be side characters like the local inhabitants of the isekai world, perhaps a wizard who helps or hinders her, or a group of warriors that she has to interact with depending on the plot of the novel.
Well, without having read 'kanojo ga flag wo oraretara light novel', it's hard to say precisely. However, light novels usually have elements like character development, a central theme. Maybe in this one, the girl (kanojo) has something to do with the concept of 'flag' which could be symbolic in the story's context, like a signal for an event or a change in the plot. It could also be about her achieving or encountering something related to these 'flags' in a fictional world filled with various situations and other characters.
Since I don't have first - hand knowledge of this particular light novel, it's hard to be precise. However, light novels often blend different genres. So 'kanojo ga flag o oraretara' could be a mix of romance, adventure or slice - of - life. The 'flag' concept might be a unique mechanic in the story. For example, it could be like in some video games where certain actions raise flags that unlock new storylines or character developments. Maybe the girl in the title has something to do with triggering or being affected by these flags in the overall narrative of the light novel.
Unfortunately, without having read the 'kanojo ga flag o oraretara light novel', it's impossible to accurately identify the main characters. However, based on the title, we can assume that there is a girl (kanojo) who is likely to be a central figure. There could also be male characters, perhaps a love interest or a friend. Maybe there are characters who are involved in the flag - raising or flag - related events in the story. To find out the exact main characters, it would be best to read the light novel itself or look for detailed summaries or reviews online.
Well, from the title 'kanojo ni uwaki sareteita ore ga web novel', it could potentially be a story about a male protagonist ('ore') who has experienced his girlfriend ('kanojo') having an affair ('uwaki'). Maybe it delves into his feelings of betrayal, how he copes with it, and what actions he takes. It might also explore the relationship dynamics before and after the affair within the context of a web - based novel.
You can try looking for it in local bookstores that carry a wide selection of light novels. Some large chain bookstores might have it in their international or Asian literature section.
I'm not aware of its popularity. There are so many web novels out there, and without more information or research, it's hard to say if it's popular or not.