Blue Seed

Momiji, a typical high school girl, discovers she's a descendant of the Kushinada family, an ancient lineage with a crucial role in Japan's defense. The TAC, a special task force, enlists her help to combat the Aragami, demonic plant-like creatures threatening the country. With Kusanagi, a young TAC agent, by her side, Momiji must rely on her newfound heritage to stop the Aragami and save Japan.