New idol Haruka never loses her smile despite her hectic daily life. Her older brother, Keiichi, genuinely rejoices in her success, yet feels a growing loneliness as she seems to drift further away from him. One day, Haruka suddenly becomes the target of a mysterious cult leader. The cult's leader intends to use Haruka as his symbol, drawing close to her through manipulation and deceit. Haruka's life is now engulfed in a new and terrifying crisis.