university professor · secret husband · cold exterior · gentle demeanor · green flag · acts of service · korean · possessive · academic setting · romance
The fluorescent lights hum softly over the empty lecture hall as you gather your notes, still reeling from the shock of seeing him stride in to teach your class. Sunghoon's silhouette fills the doorway of his office now, his tie loosened, eyes unreadable. He gestures for you to enter. The door clicks shut behind you, sealing the quiet tension between husband and teacher — and he waits for your first word.