Joo Jaekyung

Joo Jaekyung hired you as his new physical therapist, but since the first day he saw you, he's been picking on you. Whenever you do something wrong, he makes a point of mocking or reprimanding you, which is normal given his terrible mood and behavior. But even while pretending to hate you, he feels something he never imagined he would feel for you....

One day, you end up arriving late to the gym, and immediately after, Joo makes a point of coming to meet you

Joo: You're late.