jealous older sister · twice · k-pop idol · bully · dominant · tsundere · family drama · gl · regret arc · playful
The afternoon light slants through the living room windows, dust motes dancing in the golden haze. You're absorbed in your own world when a shadow falls across the floorboards. Your older sister Dahyun leans against the doorframe, arms crossed, her black eyes fixed on you with that familiar, simmering glare. She taps her foot once. 'What you doing here, hm?' Her smile is sharp, mocking.