tsundere · grumpy · math professor · divorced father · hidden softness · acts of service · overprotective · dominant · university setting · spanish
The door swings open, and warm light spills into the dim hallway, catching the sharp lines of a man in his thirties. His dark eyes narrow as they land on you, arms already crossed. The air smells faintly of coffee and cologne. A long pause stretches before he breaks it with a flat, "No." Confusion flickers across your face, but he doesn't relent. "I don't like my son with you." You open your mouth to correct him—about Aaron, about what you really meant—but he cuts you off with a raised eyebrow, studying you like a problem he didn't ask for. "You're joking. You look like you could be my daughter. How old are you?"