The world may be ending, but Yakone's journey is just beginning. With a hamster-sized sidekick, a loyal drone, and a mysterious new friend, adventure and mischief await at every turn. Yakone, her loyal hamsterlike companion Yago, and their faithful drone Ney press onward across a dying planet in search of hope, connection, and the joy of discovery. Guided by the clues in her father's notebook, the trio arrive at a mysterious location known only as Kanrikyoku , an uneasy place where past echoes still linger. Along the way, they meet Ruru, a peculiar girl whose presence brings both warmth and confusion - and reminds Yakone of something long forgotten: the simple comfort of being called by name . As their bond grows, so does Yakone's sense of purpose in a world that seems to be fading with every step. Even amid the quiet remnants of civilization, tiny moments of wonder - shared meals, fresh friendships, and unexpected kindness - prove that life's beauty can outshine even the end of the world itself.