"Perfect Blue: Complete Metamorphosis" is a psychological thriller manga written by Yoshikazu Takeuchi, originally serialized in 1991. The story centers on Mima Kirigoe, a former pop idol who leaves her successful music group, CHAM!, to pursue a career as an actress. Her decision is met with mixed reactions from her fans, some of whom struggle to accept her transition from a beloved idol to a serious performer. As Mima takes on increasingly challenging roles, including a controversial part in a crime drama, she begins to experience a blurring of reality and fiction.

Mima’s new acting role involves portraying a character who is stalked and ultimately driven to madness, a narrative that eerily mirrors her own life. As she delves deeper into the role, she becomes the target of a stalker who sends her threatening messages and invades her privacy. Simultaneously, a fan-run website called "Mima’s Room" begins documenting her every move, often with disturbing and invasive commentary. These events exacerbate Mima’s growing paranoia and confusion, leading her to question her own identity and sanity.

The narrative intensifies as Mima’s mental state deteriorates. She begins to experience vivid hallucinations and dissociative episodes, unable to distinguish between her real life and the fictional world of her acting roles. The line between Mima and the character she portrays becomes increasingly blurred, culminating in a series of violent and surreal events. The story explores themes of identity, obsession, and the pressures of fame, as Mima struggles to maintain her sense of self amidst external and internal chaos.

Key characters include Mima’s manager, Rumi Hidaka, who initially supports her career transition but becomes increasingly concerned about her mental well-being. Tadokoro, the director of the crime drama, pushes Mima to embrace darker and more provocative roles, further destabilizing her. The stalker, whose identity remains ambiguous for much of the story, serves as a catalyst for Mima’s psychological unraveling. The narrative builds to a climactic confrontation that forces Mima to confront the fragmented pieces of her identity and the consequences of her choices.

"Perfect Blue: Complete Metamorphosis" is a gripping exploration of the psychological toll of fame and the fragility of identity, presented through a tense and unsettling narrative. The manga’s intricate plot and complex characters create a haunting portrayal of a young woman’s descent into psychological turmoil.