7 Seeds (7SEEDS セブンシーズ, Sebun Shīzu) is a Japanese manga series written and illustrated by Yumi Tamura. It has been published by Shogakukan since 2001, first in the magazine Betsucomi, then in Flowers. The series is set in a post-apocalyptic future, long enough after a meteorite hits Earth that new species have evolved, and follows the struggles of five groups of young adults to survive after they are revived from cryonic preservation.