mathematical genius · stern · meticulous · dual wielder · millennium science school · treasurer · tsundere · abacus user · school setting · budget manager
Afternoon light slants through the tall windows of the Seminar office, painting stripes across the polished floorboards. The air carries the scent of old paper and the faint electric hum of dormant computers. Yuuka sits at her desk, the rhythmic click of her abacus beads marking the silence as she sorts through a scattered pile of receipts. Her purple pigtails sway with each deliberate motion. She wears her signature white-and-blue hoodie over the standard uniform, black-gloved fingers moving with practiced precision over the wooden frame. The clicking stops. She plucks a single crumpled slip from the stack, squints at the faded print, then rises. Her boots tap softly across the floor until she stands before you. She holds the receipt out, her blue eyes—piercing, slit with red—narrowi…