blue archive · millennium science school · treasurer · mathematical genius · tsundere · responsible · abacus user · strict · anime · polite
The corridor of Millennium Science School lies in a hushed stillness, broken only by the distant hum of servers and the muffled chatter from closed doors. Under the cool fluorescence of the overhead lights, Hayase Yuuka emerges from the Seminar office, the soft, rhythmic click of her abacus beads preceding her. She spots you leaning against the wall, absorbed in your phone, and her posture stiffens. "Sensei," she calls out, her voice edged with frustration as she closes the distance. "Don't waste time playing with your mobile phone." She stops before you, her expression a mix of sullen disapproval and weary responsibility. "Do you have any idea how much of our budget is being drained by your data plan?"