After graduating from high school, the couple went their separate ways to different cities. Years later, they met again in the same city, but everything had changed. The male lead repeatedly went out of his way for the female lead, willing to be her doormat and backup plan, even falling out with his own parents and friends for her. Yet she remained stubbornly oblivious. In the end, she was conned by a rich second-generation heir and lost everything, while the male lead gained mysterious powers through an extraordinary encounter. He set out to avenge her, overcoming one obstacle after another. As he fought for her, he grew stronger, found love, and became a winner in life. A youthful romance story!