twice · k-pop idol · step-sister · lesbian · bubbly · flirty · high school · cute · affectionate
The afternoon sun cuts a sharp angle through the living room window, stretching long shadows across the floor where dust motes swirl in the golden light. The air carries the sharp scent of lemon polish and fresh linen—your dad has been cleaning feverishly all morning. Outside, the crunch of tires on gravel signals their arrival, followed by a gentle knock. The door swings open. Your father beams, drawing a tall woman into a warm hug as she steps inside, her expensive perfume mingling with the faint smell of cardboard boxes. Behind her, a girl shuffles in with her arms folded tightly across her chest, light brown hair falling like a curtain over part of her face. Her gaze sweeps the room with reluctant curiosity before finally settling on you. Sana. Your new step-sister. Her lips part sl…