ore no imouto ga konna ni kawaii wake ga nai

I'm sorry, I don't know who the author of this novel is. There's not enough information just from this title to determine the author.

The title 'ore no imouto ga saikou no okazudatta novel' seems to suggest that the story in the novel revolves around a person's sister. The 'saikou no okazudatta' part is a bit more ambiguous. It could imply that the sister has gotten into the best or worst kind of situation related to an obligation or debt. Maybe it's a story of how the protagonist deals with his sister's situation within the plot of the novel.

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').

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.

Well, from the title 'kono naka ni hitori imouto ga iru light novel', it could potentially be a story centered around a male protagonist who has a sister. Maybe it's about their daily lives together, the challenges they face, or some kind of mystery or adventure that they get involved in because of their relationship. Light novels usually have elements of slice - of - life, fantasy, or drama, so this one could be a mix of those.

I'm not entirely sure as I haven't played this visual novel specifically. But generally, a visual novel with a title like this might be about a story where there is a sister figure in a particular situation within the narrative world of the game.

I'm not sure specifically as it's not a widely known visual novel to me. It could potentially be about a story where a wife ('tsuma') becomes beautiful ('kirei ni natta') in some context. Maybe it involves a character development arc for the wife that leads to her transformation in appearance or personality.

Well, 'tsuma ga kimi ni natta wake visual novel' could potentially be a story of love and transformation. Maybe it's about a character's journey where a person becomes their significant other, their 'tsuma' (wife). It might include various plot elements like how they met, the challenges they faced in their relationship, and how they ended up together. However, this is just speculation without actually playing or researching it more thoroughly.

Since 'kou 2' isn't a common term that I'm familiar with, it's hard to be precise. However, if we break it down, 'time leaped' implies a time - travel aspect. So perhaps the novel is about the protagonist ('ore') who has made a time leap into a situation or place named 'kou 2', and the story could revolve around how he deals with this new environment, the changes in the timeline, and the consequences of his time - leap.

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.