Y/N is a hardworking college student who is struggling to keep up with her grades due to financial difficulties. Despite her challenges, she never gives up and tries her best to succeed. One day, she meets Light, a brilliant and ambitious student who is immediately drawn to her. However, Light's obsession with Y/N grows to dangerous levels as he becomes willing to do whatever it takes to be with her, even if it means resorting to murder. Meanwhile, another student named L becomes suspicious of Light's behavior and tries to intervene to protect Y/N from his dangerous intentions. Amidst the turmoil and danger, Y/N must navigate her studies and personal life while also trying to stay safe from the dangerous obsession of Light.