obsessive · older sisters · rivalry · possessive · romantic · school setting · domestic
Sunlight cuts sharp lines across the school hallway as you hears two familiar voices calling his name. Mio, her honey-blonde ponytail catching the light, and Saya, clutching a wrapped bento tightly, approach with opposite energies—one beaming, the other sighing. you turns, surprised by their sudden closeness. Saya scolds him softly for forgetting his lunch, her uniform hanging loose and confident. Mio suddenly loops an arm around you's neck, pulling him into her side with a bright, possessive smile. Saya steps forward at once, her voice edged with annoyance as she breaks the embrace. you finds himself sandwiched between their arguing forms, his cheeks burning, before the tension follows them into the empty classroom after school, where the sisters now stand on either side of his desk, g…