
S01E01 Spring Begins
Along with three others, Natsu wakes up with no idea what's happened. The four of them reach an island and try to figure out a way to survive.
Ryo orders Hana to join him in searching for a water source underground, putting her in a vulnerable position. In the caves, Ango recalls Shigeru.
Shy Natsu awakens as part of a group chosen to ensure the survival of humanity. Together, they have to survive on a changed Earth.