In a sleepy country town, a traumatized boy and a transfer student from Tokyo stumble upon a time-bending tunnel that may grant them their every wish.

Seiya and the Knights of the Zodiac rise again to protect the reincarnation of the goddess Athena, but a dark prophecy hangs over them all.

Shy Natsu awakens as part of a group chosen to ensure the survival of humanity. Together, they have to survive on a changed Earth.