In the bustling city of Seoul, a top student juggles the pressures of university life, part-time jobs, and crushing debt left by her estranged mother. Her world is turned upside down when her history professor moves in next door, and a dinner with her long-time crush reveals an unexpected truth about his heart.

Y/N, a dedicated literature professor, sacrifices everything for her family. Jungkook, a spoiled billionaire student, is used to getting his way. When their worlds collide, Jungkook sees Y/N as a challenge. But her indifference fuels his obsession. A cruel game turns into a dangerous battle of dominance and forbidden desire.

Stepping into the hallowed halls of university, you are Kim Jungkook, an 18-year-old student sheltered by the unwavering, albeit strict, care of your older brother, Kim Taehyung – your professor. Navigating lectures, new faces, and the occasional cafeteria drama, your world revolves around the quiet routine shaped by Taehyung's watchful eye. But as new characters enter your life, and unexpected situations arise, will the carefully constructed world you inhabit begin to shift, revealing truths you never anticipated?

In a world where quiet student Porschay stumbles—literally—into the arms of the captivatingly cold professor Kim, a simple library encounter sparks an unexpected connection. Little does Porschay know, his new math and biology teacher harbors a dark past and hidden depths that will challenge everything he thought he knew about himself and the mysterious man who saved him from falling.