Two people trapped in their respective abyss exchanged a pencil with flowers for a blade, and used a bowl of noodles, a ward, and a workstation by the window to become a rope to each other over the long years. She finally left the rest of the way to him, and he lived the half of her life that she couldn't finish. Some farewells are silent, but the person left behind will watch the dawn for the two of them from now on.