One similar light novel could be 'Overlord'. It also has an isekai theme where the main character is transported to a different world and has to navigate through various challenges with his unique abilities. Another one is 'Re:Zero - Starting Life in Another World', which features a complex story of a boy who keeps dying and restarting in the isekai world.
Well, 'That Time I Got Reincarnated as a Slime' is a great pick too. Just like 'Sozai Saishuka no Iseka Ryokouki', it has elements of adventure in an isekai setting. The main character, who was reincarnated as a slime, gradually builds his own kingdom in the new world. There's also 'Konosuba: God's Blessing on this Wonderful World!', which is a comical take on the isekai genre with a group of misfit characters having adventures.
One unique feature could be its world - building. It likely creates a distinct and immersive isekai world for readers to explore. Another might be its characters. They could have special abilities or personalities that set them apart from other isekai novels.
Well, without having read'sozai saishuka no isekai ryokouki light novel', it's hard to give a detailed account. But generally, in an isekai light novel, we can expect things like the protagonist being transported to a different realm. This could be a medieval - like world with swords and sorcery. The story might revolve around the protagonist's attempts to adapt to this new world and find a way back home, or perhaps they decide to stay and make a difference in that world.
There might be some Japanese bookstores, either physical or online ones like Amazon Japan, that could have this novel. Maybe look through their isekai or light novel sections. However, without more specific information about the novel, it's difficult to provide more targeted suggestions.
One possible theme could be adventure. Since it's an isekai travelogue, the main character is likely to embark on various adventures in the new world.
Well, without having read 'Sozai Saishuka no Isekai Ryokouki Web Novel', it could potentially cover a range of elements common in isekai stories. It may have a protagonist who discovers new powers or abilities in the new world. There could be various races, magic systems, and political intrigue. Maybe the story focuses on the main character's quest to return home or to make a name for themselves in this strange new land.
Since I don't know this novel specifically, in general, an isekai novel often has the feature of transporting the protagonist to another world. So this 'sozai saishuka no isekai ryokouki novel' might also have such a plot.
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 don't know as I haven't read the novel. It could be a young adventurer, or perhaps a person with a special ability.
I'm not familiar with this specific 'sozai saishuka no isekai novel', so it's hard to recommend similar ones directly. But some popular isekai novels are 'That Time I Got Reincarnated as a Slime' and 'Sword Art Online'. They share the common isekai theme of a character in a new world, but their plots are different in terms of how the characters interact with the new environment.
I'm not really sure specifically as I haven't read this particular 'sozai saishuka light novel'. It could be about a wide range of things like an adventure in a fictional world, a love story, or a story of self - discovery.