When I woke up, I found myself on a deserted island! The details of the situation are unknown, and her memory is unclear, but her classmate, Chika Imaise, suddenly appears! And so begins a life on a deserted island with just the two of them. Is this a man's heaven, or is it ......? And just when the two of them are beginning to establish unspoken rules, a new castaway washes ashore and ......! Impossible to predict! A new kind of desert island survival story!