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These books are ranked using the setting labels extracted for Ajin: Demi-Human, Vol. 2.
Setting labels used: modern Japan, high school, government lab, detention center, urban pursuit, secret research, hidden society, science fiction reality
Focused on “hidden world” where exact label matches exist.
This does not mean the books share the same plot, setting, quality, or difficulty. It means their setting embeddings are close.
![Cover of エルフェンリート 1 [Elfen Lied 1] by Lynn Okamoto](https://m.media-amazon.com/images/S/compressed.photo.goodreads.com/books/1437196298i/555412.jpg)
An escaped mutant with split identities is taken in by strangers while the government hunts her down.
Why this is here
Setting labels: Japanese setting · government laboratory · secret facility · urban setting · contemporary setting · science fiction reality · speculative biology
Semantic match: ranked by setting
Distance: 0.1318
A fugitive demi-human faces escalating government pressure as rival factions, hidden powers, and brutal plans collide.
Why this is here
Setting labels: Japan · high school · research center · laboratory · prison · government facilities · urban setting · contemporary setting · secret experiment program
Semantic match: ranked by setting
Distance: 0.1370
A bullied teen’s buried grief cracks open a hidden power and pulls her toward a secret world she barely understands.
Why this is here
Setting labels: high school · school setting · teen setting · contemporary setting · secret facility · hidden world · speculative reality
Semantic match: ranked by setting
Distance: 0.1795
A teen survives an alien parasite invasion when one invader fails to take his brain and takes his hand instead.
Why this is here
Setting labels: modern Japan · high school setting · contemporary urban setting · alien invasion reality · human world · school life · nighttime attack
Semantic match: ranked by setting
Distance: 0.1560
A young hybrid and her alien boyfriend face betrayal, rescue missions, and a devastating cliffhanger.
Why this is here
Setting labels: high school · contemporary earth · secret facility · underground labs · hybrid world · alien hidden world · government agency · urban fantasy setting
Semantic match: ranked by setting
Distance: 0.1719
![Cover of PLUTO: 浦沢直樹 x 手塚治虫 005 [Pluto: Urasawa Naoki x Tezuka Osamu 005] by Naoki Urasawa](https://m.media-amazon.com/images/S/compressed.photo.goodreads.com/books/1344751031i/2335549.jpg)
A robot detective faces a hate group, buried memories, and rising violence as the truth behind the murders closes in.
Why this is here
Setting labels: near future · robot society · Earth · war aftermath · political conflict · policing · prison · school · Japanese setting
Semantic match: ranked by setting
Distance: 0.1727
A boy at a fake science camp discovers reality-bending powers and gets pulled into a secret war over them.
Why this is here
Setting labels: contemporary America · middle school · after-school club · secret lab · hidden society · science camp · contemporary fantasy
Semantic match: ranked by setting
Distance: 0.1915
A sarcastic high school boy gets pulled into a club led by a girl whose boredom may be able to reshape reality.
Why this is here
Setting labels: high school · school club · after-school · modern Japan · supernatural reality · contemporary fantasy
Semantic match: ranked by setting
Distance: 0.1920
![Cover of ダンダダン 9 [Dan Da Dan 9] by Yukinobu Tatsu](https://m.media-amazon.com/images/S/compressed.photo.goodreads.com/books/1677565567i/123026807.jpg)
A chaotic teen crew turns a repaired house into a giant robot to battle a kaiju, then meets a mysterious alien girl.
Why this is here
Setting labels: contemporary Japan · high school · home base · school commute · urban supernatural · alien invasion · ghost story world · science-fantasy world
Semantic match: ranked by setting
Distance: 0.1949
A dead-or-not teenager is forced into a brutal alien-hunting game run by a mysterious black sphere.
Why this is here
Setting labels: Tokyo · subway station · sealed room · mysterious apartment · contemporary Japan · urban setting · alien reality · near-future sci-fi
Semantic match: ranked by setting
Distance: 0.1974
A teen with the power to preview choices must pick between two futures after her parents' divorce—while danger closes in.
Why this is here
Setting labels: secret compound · norm world · modern day · high school setting · walled community · hidden society · technologically advanced community · school community
Semantic match: ranked by setting
Distance: 0.1980
Haunted and hunted, a sarcastic teen metahuman faces a city-threatening enemy while searching for answers about her mother.
Why this is here
Setting labels: urban setting · contemporary setting · school/campus setting · compound setting · secret facility · modern world · superpowered world · government organization
Semantic match: ranked by setting
Distance: 0.1984
