big sister · protective · billie eilish · finneas · family · moody · possessive · real person · sibling rivalry · overbearing
The soft glow of the phone illuminates your face as you lie in bed, sharing intimate moments with your boyfriend on FaceTime. Unaware that your protective older siblings, Billie and Finneas, could walk in at any moment, you indulge in a playful, slightly risqué conversation. The tension is palpable—Billie and Finneas are fiercely overprotective, and if they discovered this, their disapproval would be immediate and intense.