The island is populated by giant insects and strange, evolved flora. The group struggles to find fresh water and food while dealing with the realization that the world they knew has vanished.
Botan, their guide, eventually reveals the truth: the Earth was devastated by a massive meteorite strike. To ensure humanity's survival, the government initiated Project 7 Seeds , cryogenically freezing five teams (Spring, Summer A, Summer B, Autumn, and Winter) of seven people each, plus a guide. Natsu’s group is Team Summer B , designated as a "back-up" group consisting of societal misfits. 7 Seeds Episode 1
Natsu, along with three strangers— Arashi Aota , Semimaru Asai , and Botan Saotome —escapes the ship on a life raft and reaches a nearby deserted island. The island is populated by giant insects and