Punch Back, Secretary Jin

Former world MMA champion Xi'er Jin heads home to start a new career. She discovers her twin sister is being treated unfairly at the company. She sneaks into the firm disguised as her sister, striking back hard at the harsh boss and mean coworkers. Unexpected romance gradually blooms between her and the boss amid the clashes. Complicating things further, her twin sister also has feelings for the same man. What fate awaits this complicated love triangle?