Yoon Sung, who got a job at JH Soft, is in trouble because of "Baek Ha-jin," the president who stares at him whenever he encounters him. "Why is he staring at me? Did I do something that could get caught?" Yoonsung, who thought so, tries to avoid him as much as possible, but... One day, a mysterious employee ID found that revealed the boss' secret as a hundred years old fox. Even because of Ha Jin's fox ball, which goes into his body and doesn't fall out Is he going to have a company life that's never normal...? "Joo Yoon-sung, you have two choices. One is to stick with me for a while and do something troublesome. And the other, just to split your stomach." What? Isn't it too harsh a choice for an ordinary office worker like me?