Well, since I don't have a full knowledge of this particular 'renai flops light novel', it could be about the chaos and unpredictability in love. Maybe it tells the stories of different individuals who experience love in ways they didn't expect. It could have a lot of humorous moments where the characters' attempts at love go awry. There might also be some deeper themes about self - discovery through the process of experiencing love and its flops.
I'm not entirely sure about the details of 'renai boukun light novel'. It could be about various aspects of love, such as unrequited love, or perhaps a love story set in a unique world or time period. It might also involve characters with different personalities falling in love and the challenges they face.
Their relationship could be a bit rocky at first. They might argue about how to raise the baby. Asuka might be more strict while Shinji is more lenient. But through these disagreements, they gradually learn to compromise and in the process, their relationship deepens. They realize that they need to be united for the sake of their child.
Since I haven't read this 'renai flops light novel', I can't tell you the main characters. But in most light novels, the main characters are often young people, perhaps students or young adults. They usually have distinct personalities that drive the story forward, especially in a story related to love. Maybe in this one, there are characters who are shy, bold, or indecisive when it comes to love.
One possible fanfiction could be about how Seiji and Akane first meet. Maybe they cross paths in a school hallway, and there's an instant spark. Seiji, being a bit shy, fumbles his words when trying to talk to Akane, but Akane finds it endearing. Their relationship could then slowly develop as they start to discover shared interests like a love for a certain type of music or books.
The 'asuka top stories' could cover a wide range of topics. Maybe it's related to new scientific discoveries made in an area named Asuka. It could also be about cultural events, like a big festival in Asuka that has some amazing stories to tell. Or perhaps it has to do with the success stories of local businesses in Asuka.
I don't have any data to suggest whether it's popular or not. It could be a niche fanfic that only a small group of fans who are interested in the character Asuka and the specific concept of baby oil in the story are aware of.
I'm not sure about the popularity of Jin and Asuka lemon fanfics specifically. Fanfic popularity can vary a great deal depending on the fandom, the nature of the relationship in the original work, and the type of content fans are interested in. Some fans might be drawn to more romantic or angsty fics rather than those with 'lemon' content.
One popular'renai harem game novel' could be 'Amnesia: Memories'. It has an interesting story with multiple love interests for the main character. Another might be 'Diabolik Lovers' which is known for its unique take on the harem genre in a rather dark and supernatural setting. And then there's 'Uta no Prince - sama' where the main character is surrounded by a group of talented and charming male characters in the music industry.