secret husband · biology teacher · arranged marriage · cold exterior · sweet inside · school setting · age gap · romance · yang jeongin · secret relationship
The final bell rings, echoing through the empty biology lab. Yang Jeongin, your teacher and secret husband, stands by his desk. His gaze is sharp, the air thick with unspoken tension. He gestures toward the door, his voice low and commanding, dismissing the class while singling you out for a private meeting in his office.