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Combine common axes
These books are ranked using the premise + setting labels extracted for 宝石の国 2 [Hōseki no Kuni 2]. Books rank higher when they are close on every selected axis.
Premise labels used: sentient beings, protective quest, underwater journey, mystery world, species conflict, search for answers, body change
Setting labels used: mostly empty world, underwater world, ocean, futurist world, post-human world, fantasy world, nonhuman society
This does not mean the books share the same plot, setting, quality, or difficulty. It means their premise + setting embeddings are close.
A teen in an underwater city must uncover secrets and find her sister after a life-changing choice leaves her behind.
Why this is here
Premise labels: underwater city · post-apocalyptic society · sister separation · secret powers · escape quest · lost sibling · corrupt system
Setting labels: underwater city · below the sea · post-apocalyptic world · divided world · above and below · closed society
Semantic match: ranked by premise + setting
Distance: 0.1719
A young girl returns to a dark underground world, uncovering buried truths, rising threats, and more questions than answers.
Why this is here
Premise labels: secret world · hidden world · truth quest · survival quest · mystery solving · journey to another side · post-collapse mystery
Setting labels: dark world · underground · other side · mountain setting · dystopian setting · fictional world · post-collapse world
Semantic match: ranked by premise + setting
Distance: 0.1790
A climber boy in a tiered refuge world uncovers a hidden book that exposes the secret instability of his society.
Why this is here
Premise labels: dying Earth · sealed refuge world · climbing quest · hidden book · class divide · resource control · collapsing world · forbidden exploration · secret history
Setting labels: satellite world · artificial world · man-made world · post-apocalyptic Earth · future setting · tiered society · vertical world · restricted movement · water-scarce world
Semantic match: ranked by premise + setting
Distance: 0.1853
On a lethal ocean world, reanimated outcasts, war drones, hive minds, and monsters collide on a resurrection voyage.
Why this is here
Premise labels: resurrection quest · immortal world · ocean voyage · hive mind conflict · alien ecology · ancient war
Setting labels: ocean world · alien planet · far-future · spacefaring setting · Polity Universe
Semantic match: ranked by premise + setting
Distance: 0.1860
A hunted pair and their companions cross a deadly wasteland to uncover the truth behind a firewall and their world.
Why this is here
Premise labels: truth-seeking · world mystery · journey quest · survival quest · hidden world · firewall mystery · resource scarcity · crossing boundaries · enemy pursuit · species conflict
Setting labels: wasteland · desert journey · post-apocalyptic landscape · firewall barrier · hidden green world · dystopian world · speculative worldbuilding · multiple species
Semantic match: ranked by premise + setting
Distance: 0.1862
As Atherton’s layers collapse, Edgar and his friends race through floods, monsters, and hidden tunnels to save their world.
Why this is here
Premise labels: sequel quest · world collapse · resource quest · secret knowledge · creator mystery · survival quest · hidden refuge
Setting labels: artificial world · man-made world · post-pollution world · three-tiered world · underground interior · flooded landscape · dystopian landscape · young-adult secondary world
Semantic match: ranked by premise + setting
Distance: 0.1872
A suicidal woman wakes to an empty world and must uncover what happened, why she survived, and what it means.
Why this is here
Premise labels: end-of-world · sole survivor · mystery survival · answers-seeking · wake to a dead world · apocalypse aftermath
Setting labels: post-apocalyptic world · empty world · silent city · earthbound catastrophe
Semantic match: ranked by premise + setting
Distance: 0.1882
A marine biologist is pulled into a deep-sea mystery that erupts into monster horror, then a flooded future quest.
Why this is here
Premise labels: scientific investigation · secret facility · deep sea threat · monster encounter · future survivor · signal hunt · post-disaster world · humanity vs creatures · quest narrative · two-timeline story
Setting labels: Arctic Circle · underwater base · deep ocean · post-apocalyptic future · flooded world · coastal inundation · sea-level rise · dystopian future · illegal drilling rig · highly aquatic world
Semantic match: ranked by premise + setting
Distance: 0.1894
A ghost-hunting girl in a ruined world joins a talking ghost on a descent that could free her—or remake everything.
Why this is here
Premise labels: ghost hunting · underworld quest · escape from oppression · post-apocalyptic mystery · memory recovery · dead-world exploration · bargain with a ghost · girl versus power structure · truth-seeking
Setting labels: post-apocalyptic world · desolate wasteland · underworld · dead world · ruined society · small village · rural town · post-technological world · mythic setting · ancient-feeling world
Semantic match: ranked by premise + setting
Distance: 0.1907
In a water-bound realm, Haplo and Alfred uncover buried truths as serpents, factions, and old powers close in.
Why this is here
Premise labels: quest · world exploration · magical conflict · ancient mystery · survival struggle · enemy alliance · power struggle
Setting labels: water world · secondary world · fantasy realm · post-sundering world · four realms · island world · ocean world · fantasy universe
Semantic match: ranked by premise + setting
Distance: 0.1911
A sentient mushroom infiltrates a ruined human base to recover his stolen spore while hiding from a deadly judge.
Why this is here
Premise labels: sentient protagonist · identity concealment · stolen heirloom · search quest · nonhuman protagonist · post-collapse survival · mutant world · human infiltration
Setting labels: post-apocalyptic Earth · dystopian future · human bases · wasteland · mutated ecosystem · militarized society · cosmic radiation aftermath · ecological collapse · fortified enclaves
Semantic match: ranked by premise + setting
Distance: 0.1921
In a climate-ravaged future, Jenny searches for bee DNA aboard a roaming community to imagine a livable tomorrow.
Why this is here
Premise labels: pollinator collapse · bee DNA quest · climate catastrophe · survival community · restoration quest · search for lost world
Setting labels: far future · post-apocalyptic Earth · desertified world · mobile settlements · motorized village · monadic society · eco-dystopia · climate-ravaged world
Semantic match: ranked by premise + setting
Distance: 0.1921
![Cover of 宝石の国 2 [Hōseki no Kuni 2] by Haruko Ichikawa](https://m.media-amazon.com/images/S/compressed.photo.goodreads.com/books/1655999554i/26238640.jpg)