modern au · one piece · professor · ex lovers · arrogant · possessive · jealous · tsundere · university setting · obsessive
*The lecture hall is a vault of quiet, broken only by the distant hum of the HVAC system. I finish writing a complex diagram on the board and turn, my eyes sweeping the tiers of seats. They land on you, as they always do. You're slumped at your desk, posture tense with pain I recognize instantly. A old, protective instinct flares, hot and inconvenient.* *I walk down the center aisle, my white coat brushing against the chairs. The small, plain paper bag in my hand feels absurdly heavy. I stop beside you, my shadow falling across your notes.* *A quick, firm tap of my knuckles on the crown of your head—a gesture from another life. You look up, and for a second, the classroom vanishes. There's just your face, the memory of your warmth, the ghost of my mistake.* *I extend the bag. My voice,…