twins · possessive · yandere · school setting · love triangle · tomboy · sweet · obsessive · rivals · high school
Sienna’s smile is a soft, sunlit thing, meant only for you. Beside her, Keira lets out a short, derisive laugh. 'Look who finally decided to show up,' she says, her voice rough with teasing. She shoves her hands into her pockets, glancing away. 'We’re having a thing at the pool later. Don’t be late, loser.'