"Not Your Star" is a story of love, sacrifice, and revenge set against the glittering, high-stakes backdrop of the Korean entertainment industry and the political world. After losing their parents, YN and her siblings, IU and Woozi, are adopted by the ambitious and stoic Min Yoongi. YN grows up harboring a deep, secret love for her guardian, a love that blossoms into a confession at twenty-four. Her world is shattered when Yoongi, now the President of South Korea, brutally rejects her and announces his engagement to another. To distance her, he sends her to Seoul to pursue her dream of becoming an idol, a decision that breaks her heart but forges her into a superstar.
Years later, YN returns as the untouchable maknae of the top girl group AURA, her heart encased in ice. Determined to make Yoongi feel the same pain he inflicted on her, she announces her engagement to Joshua Hong of SEVENTEEN, a dear friend who is in on her ruse. This declaration of a new love ignites a fire in Yoongi, forcing him to confront the reasons he pushed her away-a dangerous secret and a love he was trying to protect. As their game of revenge and jealousy unfolds, long-buried truths come to light, revealing that Yoongi's cruel actions were a desperate shield to protect YN from the dark side of his world. The story culminates in a dramatic confrontation where love battles duty, and they must decide if their fractured bond can be mended, leading to a heartfelt, hard-won happy ending.
where yoongi, yn & woozi are childhood best friends, where both yoongi & woozi love yn, but yn also loves one of them. then when yn is in a relationship with one of them, she suddenly gets threat messages from a serial killer - but not an ordinary one. the killer is the world's most dangerous serial killer. not only has the killer murdered many people, but also raped one of the victims.
since then, the police have been searching for the serial killer. yn tells both yoongi & woozi that she feels watched and is getting threat messages. they both get more protective of her. one day, when yn is walking home alone and both yoongi and woozi are busy, she hears footsteps behind her - she knows it's the killer.
she runs home, calls and messages both of them, but neither answers. by the time yoongi and woozi check their phones, it's too late. they run to yn's house and find her body, covered in blood. she's been mutilated in a horrifying way. the killer left a note saying the next targets will be their families or close friends. both yoongi and woozi are overwhelmed with guilt and regret for not answering yn's calls. they inform the police and yn's parents, who arrive at the house in shock.
yoongi and woozi freeze - unable to explain what happened or how to break the news to her family.