Teen online game streamer Akatsuki Iride receives an invitation to participate in a special stage of an infamous video game The Ones Within – Genome, known for causing its players to disappear. He is suddenly transported to a remote forest alongside fellow players Karin Sarayashiki and Kaikoku Onigasaki. While searching for a way out, they are suddenly pursued by an enormous panda, which Akatsuki manages to befriend due to his friendly nature and convince it to leave peacefully, much to the amusement of game master Paca, a mysterious man in a suit with an alpaca mask...