"Not Your Idol" is a psychological drama manga that explores themes of identity, trauma, and societal expectations. The protagonist, Nina Kamiyama, is a former member of a popular idol group who abruptly quits the industry after a traumatic incident involving a stalker. The story begins with Nina cutting her hair short and adopting a more androgynous appearance, distancing herself from her idol persona. She enrolls in a new school, determined to live a quiet, anonymous life, but her past continues to haunt her.

Nina’s decision to leave the idol world stems from an attack by a stalker, which left her physically and emotionally scarred. The incident is shrouded in mystery, with details gradually revealed as the narrative progresses. Despite her efforts to move on, Nina struggles with trust and self-worth, often grappling with the pressure to conform to societal norms and the expectations placed on women. Her androgynous appearance becomes a point of contention, as it challenges traditional gender roles and invites both admiration and hostility from those around her.

The story introduces several key characters who influence Nina’s journey. Akira Takanashi, a classmate, becomes intrigued by Nina’s enigmatic personality and begins to uncover her past. Akira’s curiosity and persistence force Nina to confront her trauma and reconsider her decision to isolate herself. Meanwhile, the idol industry looms in the background, with former colleagues and fans attempting to draw Nina back into the spotlight. The narrative also delves into the darker aspects of idol culture, including exploitation, objectification, and the psychological toll it takes on young performers.

As the plot unfolds, Nina’s relationships with those around her evolve, revealing layers of vulnerability and resilience. The manga examines the complexities of recovery and self-discovery, highlighting the challenges of reclaiming one’s identity after experiencing profound trauma. Through its exploration of gender, fame, and personal agency, "Not Your Idol" presents a thought-provoking and emotionally charged narrative that resonates with readers.