The whole world is agitated. Holy Mother, the only individual capable of producing children, is aging and the future seems uncertain. In such circumstance, a group of people from the desert appear in the city, who show special interest in the Sanctuary. And why in a medieval-looking world do modern inventions such as helicopters exist and why do the people fear them?

''Marginal'' is a {{BoysLove}} manga by famous creator Creator/MotoHagio. The series stands out by intricate plot in a rich sci-fi and dystopian setting. At its core, the story explores the relationship between sexes, the role of reproduction in human's perception of the meaning of life, and the role of science in civilization. Also expect a lot of twists.

!!''Marginal'' presents examples of:

* AncientConspiracy: [[spoiler: The Marginal project]]
* ArtificialHuman: [[spoiler: Kira and hir siblings, products of Ivan Alexandr's MadScientist-dom]]
* DeliberateValuesDissonance: The disappearance of women has created institutions that readers in the real world find cringe worthy (but normal to the inhabitants of [[spoiler: Marginal]]) to emerge.
* {{Gendercide}}: Once one of the most influential works in the trope, now almost totally forgotten.
* {{Hermaphrodite}}: [[spoiler: Kira]]
* LoverAndBeloved: In a world with no women, the relationship between adults and teenage boys is this.
* MadScientist: [[spoiler: Ivan Alexandr. How he goes on and on about the role of the womb is creepy]]
* OneGenderRace: On [[spoiler: Earth]], women lost reproductive capability because of a disease, resulting in a world with only men.
* TwoLinesNoWaiting: The story goes back and forth between the people [[spoiler: who assasinate the Mother]] and the mysterious boy they found, and the fall-out [[spoiler: after the assassination]] in the city.