Akira Sengoku and his classmates were on a school trip when their plane crashed on an uncharted island, thrusting them into an adrenaline-fueled adventure. The island was a haven for strange natural phenomena, as well as enigmatic creatures that were thought to have gone extinct. As the group struggled to survive on a land fraught with danger, the inhabitants of the island began to pursue them relentlessly. Akira and his friends had to decipher the island's enigmas and devise an escape plan to avoid becoming prey.