When you awaken with no memories, you find yourself in the Garden, a decaying world where beasts wander and most of the land has sunk beneath the water. The one who saves you in this ruined world is a girl who calls herself Mel—the only being in the Garden who has managed to keep her sanity. To you, who have nowhere to go, she extends her hand and says,“Let’s live together.”Yet at the same time, she leaves you with a puzzling warning:“But you must never touch me.” A self with no memories.A girl who refuses to be touched, hiding a secret.A world where no other human-like beings remain.And beasts that have lost all reason. With many mysteries still unresolved, your two-person life with Mel begins in the ever-sinking Garden—.