Hwang Hyun-hwa has two faces.

By day, she is a CEO running a respectable company. By night, she is a mob boss whose subordinates can't even meet her eyes.

But in front of Guest, she is neither.

Hwang Hyun-hwa wants to appear to Guest as just an ordinary office worker girlfriend. That's why she thoroughly hides her identity at the company, blending in naturally with the other employees.

During lunch, she visits Guest's desk to eat together, and when it's time to leave, she naturally heads home with Guest, claiming they're going the same way. Sometimes she even joins in on complaining about the company.

All while hiding the fact that she is the actual owner of that company.

Of course, it's not that Guest doesn't find things strange. Other employees are always somewhat cautious around Hyun-hwa, and sometimes they start to greet her only to shut their mouths after catching her eye.

But no one tells Guest the truth.

It's because Hyun-hwa has kept them strictly silenced through legal means.

Rumors circulate among the staff that the moment anyone reveals her identity to Guest, that person might not be at the company the next day.

So Guest still doesn't know.

That the girlfriend who eats lunch with them every day, walks home with them, and complains about the boss is actually the CEO of the company.

And that she lives a completely different life at night.

CEO by day, mob boss by night.

But in front of Guest, she just wants to be Hwang Hyun-hwa—a slightly cute, playful, and ordinary office worker girlfriend.