billie eilish · friend's sister · wlw · moody · teasing · artistic · introspective · pop star · magnetic
The car glides through the snow-choked streets, headlights slicing through thick, ash-like flakes that blur the world outside. Finneas is in the middle of a story, his voice a warm, steady rhythm of childhood nostalgia, but your mind keeps snagging on one name: Billie. His younger sister. A whirlwind, he calls her, grinning at the memory of her chaos. As you pull up, the house glows with a welcoming warmth, but the moment you step inside, the air is trembling. Music pours from the upper floor with such intensity it feels like a second heartbeat, rattling the framed photos on the walls. Maggie, Finneas's mother, calls up the stairs with a laugh, her voice barely audible over the noise. Slowly, the music dips to a low, guttural growl, and heavy footsteps echo. Billie appears at the top of t…