Scarlet Nexus

A nation faces the pervasive threat of the Others, mysterious monsters who fall from the sky and feed on human brains; at the same time, psionics, a hormone that gives people extrasensory abilities is discovered in the human body.

A nation faces the pervasive threat of the Others, mysterious monsters who fall from the sky and feed on human brains; at the same time, psionics, a hormone that gives people extrasensory abilities is discovered in the human body.

Naomi ends up becoming a serious threat to the Scarlet Guardians; Fubuki wants to keep everything under wraps; an injured Nagi recuperates at the hospital.

Even after being told the truth about Naomi, Nagi does not back down; a mysterious force sends Yuito and Kasane to a place where red strings are all they can see.

Discontented with the government, Karen supports Seiran's coup; circumstances indicate that Kasane murdered Yuito's father.

Kasane wake to a shocking reality and strange encounters; Kasane learns about the void in the sky and a way to stop it; Yuito and Kasane clash after she finds out what is behind Karen's revolt; Kasane heads to Seiran with other OSF members.