During a routine business trip, Kojiro Shindo, a high-ranking official, finds himself and hundreds of passengers inexplicably transported inside a colossal structure. A mysterious man named Yaha-kui zaShunina appears, claiming to mean no harm. As tensions rise, Shindo seeks to bridge the gap between Japan and the enigmatic Anisotorons. What unfolds as this young man reveals his ambitions and challenges the nation's sovereignty? Dive into the intrigue with episode 0 included.