"I'm his boyfriend," Hakyeon said, challenging the girls who wanted to go out with Leo. He knew little of his classmate. But everyone in the high school knew that Leo was a popular man. Hakyeon had to help him because Leo had once offered him his help too. So he had to pay his debt. He had pushed vice to call him « my love» in public. He did not know at the time that it was the beginning of a relationship that would make him live his first true love. And above all, what was his surprise, seeing Leo 10 years later, as his future boss.