The school bully Su Jin, an omega, claims to be an alpha and plays tricks with many alphas. Later, another omega's estrus affected her and she was forced to go into estrus, begging Chi Run to mark her. They become partners, caring for and uplifting each other.
It wasn't until the second semester of her senior year in high school that Su Jin announced her true gender and partner on the school forum. Because of this, she was almost raped.
In the end, they were admitted to the same university, Su Jin was in the Department of Medicine and Chi Run was in the Department of Science. They got married in their junior year and fell in love happily after graduation.
Intention: Study hard