Contents
Setting[]
7 Seeds takes place an unknown number of years after the collision of a large meteorite with Earth. As a result of the impact, the climate of Japan has greatly changed from what the characters knew from the present day.
Geography[] |
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In the Kansai region there are only two seasons, a dry season and a longer, heavier rainy season. Takahiro of Winter group describes the winters in the northern island of Hokkaidō as being as mild as in Kanagawa Prefecture where he grew up. In addition, sea levels have risen greatly: downtown Yokohama is completely underwater, only the top hand of the statue in Nagasaki Peace Park is above the surface of the ocean.![]() Nagasaki Peace Memorial underwater The geography of Japan has changed as well: after an eruption of Mount Aso, Kyūshū has been split into two islands, and the Kansai region is separated from central Honshū by a wide strait. The series depicts a Japan in which, as a result of the new environment and mass extinctions, ecosystems have changed and several new species of animals and plants have evolved. |
Animals and plants on Cat Island[] |
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For example, on the island where Summer group B first lands, off the coast of Nagasaki Prefecture, Botan notes how few of the ecological niches are filled, including no birds or flying insects, and that the limited number of species are still radiating to fill empty niches.![]() Carnivorous rabbit ![]() Carnivorous and hebivorous rabbits In particular, a local rodent resembling a rabbit is in the process of speciation into herbivorous and ravenously carnivorous versions, which are still visually similar. ![]() White cockroaches Species that are unchanged but were previously unknown in Japan include banana trees and crocodiles. Semimaru notes that neither on the island nor on the Kyūshū mainland do they see any ants, bees, or similar insects. |
![]() White cockroaches feeding upon leeches |
![]() Giant nephentes |
![]() Sundew attacking Natsu |
Kansai region[] |
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![]() Team Autumn's fields ![]() Llamas and chicken ![]() Black Fever Wasp According to Akio, corn is the only crop from their seed cache that grows in the area's soils, but Fall group also cultivates a variety of tobacco with a narcotic effect when smoked. |
Southern Honshu[] |
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![]() Collecting cactus ![]() Pissed off dinosaur |
Insects Island[] |
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![]() Carboniferous Era-like area ![]() Praying mantises, dragonfly, boat beetles On land, there are giant insects the characters call "boat beetles" and swarms of bees with stings that are painful but not deadly, which force the group to live on rafts off-shore. In the island's swamps, there are giant praying mantis and giant dragonflies. While at the island, the group lives off shellfish and shallow-water nautiluses, but see no bony fish. The characters find the climate changed as well, as it is too overcast to see the stars for the first two weeks after they are awake, even though it is spring, a season that in the present day is noted for clear weather. |
Mainland of Kanto[] | ||
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![]() Approaching water nymph ![]() Water nymph with rat
![]() Hana accidentally touching Blue Mucus ![]() Blue Mucus |
Northern Honshu[] |
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![]() First New World Flowers |
Southern Hokkaido[] |
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In southern Hokkaidō, Winter group encounters grasslands populated by many mammals they do not know, including small-eared rodents, herds of unknown ruminants, and tigers with saber-teeth. They also meet wolves with the ability to project illusions normally used to help hunt. |
![]() Wolf |
![]() Saber-toothed tiger |
![]() Southern Hokkaido animals |