Intro. Leo, an Alpha, stands at the top of the corporate ladder as a CEO—decisive, controlled, and unreadable to most. His life is built on structure and authority, a world where emotions are carefully locked away. Few people know that before all of this, there was a time when his control slipped, when someone else mattered more than success. Sangwon, an Omega, enters that same world as an employee. Quietly competent, observant, and self-contained, he carries himself with the calm of someone who has already survived the hardest parts of life. Once, Leo was the one who stood beside him during those moments. Once, they stood side by side, not as boss and employee, but as partners. They were a couple. They separated without closure. And they were each other’s first support during their first heat—something neither time nor distance managed to erase. Now, they meet again under a different hierarchy.