I'm not sure specifically as I haven't read this light novel. But generally, it might be about a house (ie) that has some sort of special power or 'maryoku spot'. It could involve the adventures or daily life of the characters related to this special house.
Some light novels with a similar concept of a special location could be 'Overlord'. In 'Overlord', there is a special place which the main character rules over and has unique powers within. Another one could be 'Log Horizon' where the in - game world has special areas with different properties.
I'm not sure specifically as I haven't read this light novel. It could potentially be about a story where the strongest race was human. Maybe it involves adventures, battles, or relationships with other races.
Another theme might be identity. The idol has a public identity as a popular figure, but also has this secret virtual - world relationship, so there could be exploration of different identities. And also, the theme of virtual vs. real might be present, as it bridges the gap between the online game world and the real - world idol industry.
The 'netoge no yome ga ninki idol datta ken light novel' might explore the concept of how the two different worlds, the netoge (online game) world and the idol world, collide. Maybe the main character has to deal with the fact that his virtual wife is now a public figure. It could be filled with comical situations, like trying to keep their relationship a secret or dealing with the idol's fans.
I'm not really sure as I haven't read it specifically. It could potentially be about a story where the strongest race was humans. Maybe it details some epic adventures or challenges that humans face in a fictional world.
A light novel like 'tensei shitara datta ken' could potentially revolve around a protagonist who experiences a transformation (suggested by 'tensei' which might mean something like reincarnation or transformation). It may include battles, relationships, and the exploration of a new identity or power within a fantasy - themed setting. There could be a rich tapestry of secondary characters, each with their own motives and backstories that interact with the main character's story arc.
Well, it's popular for several reasons. The light novel has a great blend of different elements like fantasy, adventure, and world - building. The protagonist's growth from a slime to a powerful entity is really fascinating. Also, the way it explores themes of friendship, leadership, and power in the new world makes it appealing to a wide range of readers.