24 parts Ongoing MatureLee Minju's life would be perfectly fine - if not for her annoyingly perfect neighbor. As a packaging designer at Seoul's trendiest cosmetics company, she already juggles deadlines, spilled coffee, and the chaos of her own clumsiness. The last thing she needs is Kim Sunwoo, the effortlessly charming next-door heartthrob, keeping her up at night with his endless parade of girls.To Minju, Sunwoo is everything she dislikes: loud, flirtatious, and overconfident. To Sunwoo, Minju is everything he can't ignore - honest, sharp-tongued, and completely unimpressed by his charm. When chance encounters turn into daily bickering through paper-thin walls, the lines of irritation begin to blur into something softer.Between spilled paint, jealous cats, and misunderstood moments, Minju and Sunwoo discover that sometimes love doesn't arrive quietly - it crashes through the wall next door.