Aoi Yagi is secretly engaged to the company's rising star, Sota. They've already met each other's parents, and she now eagerly anticipates their wedding. But out of nowhere, he tells her he wants to break off their engagement.

Hurt and betrayed, Aoi finds herself in the midst of her misery, only for the young, visionary president of their company, Haruto Kujo, to appear. Known as the "tyrant," he appoints her as the project manager of a new business venture aimed at revolutionizing the education sector and commands her to be his right-hand woman?!

"You're the one behind Sota's success, aren't you?"

How did he uncover her secret? Why does he have his eye on her? And why is he so enamored with Aoi?