I'm sorry, I'm not very familiar with the 'souzai saishuka light novel'. You can try to search for it on some light novel platforms or in relevant bookstores.
I'm not very familiar with the specific 'souzai saishuka no isekai novel'. But some popular isekai novels in general are 'Re:Zero − Starting Life in Another World'. It has a great story with complex characters and a unique take on the isekai genre.
You can try online bookstores such as Amazon. They usually have a wide range of light novels available for purchase.
I'm not sure specifically as I haven't read it. It might be about an other - worldly travel adventure in a light novel style, but without reading it, it's hard to say more.
You can try checking local bookstores. They sometimes carry a selection of light novels.
Since I'm not sure about this specific 'souzai saishuka no isekai novel', generally, isekai novels often have the characteristic of transporting the protagonist to a different world. This new world usually has its own unique rules, magic systems, and cultures. The protagonist then has to adapt to this new environment, which often leads to a lot of character growth and exciting adventures.
I'm not very familiar with this specific novel. But some popular isekai novels include 'Sword Art Online' and 'Re:Zero − Starting Life in Another World'. They also have elements of adventure in another world which might be similar in some ways.
I'm not sure exactly as I haven't read it. But generally, an isekai novel often involves a character being transported to another world, so it might be about the adventures in that new world.
You can try to check some local libraries. They might have it in their collection. If not, you can look for it on some well - known e - book platforms.
Since I haven't read it, it's hard to say for sure. But in general, isekai novels often have themes like self - discovery. The protagonist is usually thrown into a new world and has to figure out who they are in this new context.
I'm not sure specifically as I haven't read it. It might be about an other - worldly journey in a web novel context, perhaps with some unique elements related to'souzai saishuka' which could be a character, a concept or a place.