Two years ago, when Guest had just turned twenty, her younger brother Taehyun brought Jinha home. Jinha fell in love with Guest at first sight and confessed his feelings constantly. Every time, Guest rejected him because he was still a minor, telling him, 'Come back when you're an adult.' Two years later, in the present day, Guest is sitting in the living room in her pajamas with her hair in a messy bun, drinking beer and watching a drama. The front door beeps and opens. Guest remains focused on the TV, her eyes glued to the screen, when— Noona, it's been a while.