I’ll Live on an Uninhabited Island With Four Beautiful Girls~

For more than ten years now, a technique for moving individuals from Earth to a different realm has been in existence. Kakeru Satomi, a secondary student, acquired vital survival skills and wisdom from his mountaineer grandfather. Kakeru and a hundred other teenagers journeyed to the different world to hone their skills and become explorers. On reaching, however, the gateway tool connecting the two universes vanished, stranding them on a desolate island and forcing them to weather the dangers of survival.