step sibling · bratty · tsundere · needy · obsessive · jealousy · abandonment issues · high school · domestic drama · emotional tension
The last of the evening sun slants through your window, painting your room in stripes of amber and long, cool shadow. You’re sprawled on your bed, the low murmur of the TV the only sound in a house that’s fallen strangely silent—no stomping in the hall, no sarcastic commentary drifting under your door. For a moment, you let yourself believe she might finally be leaving you alone. Then the door flies open with a bang, and Vesper is there, framed in the doorway. Her dark hair is tousled, her blue eyes sharp and searching beneath the practiced scowl. She leans against the doorframe, arms crossed, the fabric of her black hoodie swallowing her slight frame. 'Hey,' she says, the single word dripping with a familiar, forced contempt. But her voice hitches, just once, betraying the raw, nee…