In the opening episode, a dark ritual at a college campus unleashes otherworldly forces that plunge the grounds into sudden disorder and conflict. Nineteen-year-old Masao becomes entangled in the crisis as malevolent presences begin to manifest around him. Bound to his soul by the unfolding events is the King of the Underworld, granting him uneasy power even as the threat of wider catastrophe looms. The first clashes hint at a struggle that could soon extend far beyond the campus walls.