Y/N never asked for new neighbors-much less Bang Chan, the 25-year-old man who seems determined to cross every line between them. He's insistent, confident, and carries a past she doesn't yet understand. At just 18, she's still learning who she is, but she can't ignore the way he makes her feel. Between stolen late-night conversations, glances that linger too long, and secrets that could change everything, Y/N realizes Chan isn't trying to keep his distance. On the contrary... he's getting closer and closer. But how far can one go when the heart insists on what the world calls wrong? And when the truth comes out, will what exists between them endure?