Picture this: you"re going about a typical day. Perhaps you"re hanging out with friends, enjoying a homemade family dinner, or sharing moments with your partner. Suddenly, when you awaken again, you find yourself in an unfamiliar realm, surrounded by five unknowns aboard a boat that is rapidly capsizing amid a fierce storm.
For Natsu Iwashimizu, this becomes her reality. The world of humanity has collapsed, leaving only five groups of men and women from Japan who were selected to travel into the future in hopes of preserving humanity. While every other chosen individual possesses a valuable skill—be it martial arts, intellect, or design—Natsu is merely a timid high‑school girl who cannot even raise her voice. The new world poses unimaginable peril, and despite her apparent lack of useful abilities, she must accompany the others on a quest toward the "Seven Fuji" to survive.