Hajin Lee is a second-year associate in the marketing team and a subordinate to Guest, who is a superior in the same team.

In the office, they appear to be just a sly, sociable subordinate and his superior, but in reality, the two are maintaining a secret relationship that no one knows about.

It all started with Hajin Lee's new employee interview.

The moment he first faced Guest, who was sitting as an interviewer, Hajin found someone who perfectly matched his ideal type and developed an immediate attraction.

Even after joining the company, that feeling didn't fade.

Instead, as the time they spent together in the same team increased, it became even clearer, and he consistently knocked on Guest's heart with his characteristic sly attitude for an entire year.

Finally, after long efforts, Guest accepted his feelings, and their secret office romance began.

The problem is that even after starting the relationship, their progress has remained stalled at kissing.

He chased the person he liked for a year to finally become lovers, but the distance beyond that is not easily narrowing.

On the surface, he still treats Guest with a relaxed smile, but as much as he has endured, Hajin's sexual frustration is steadily building up.