After Raising a Full-Level Junior Brother, I Will Do Whatever I Want!

Lin Wanqiu, a nerdy college girl, traveled through time and entered a fantasy world. There is a mysterious holy body at the beginning, and it comes with three holy manifestation effects. It is simply a child of luck. However, after practicing for several years, Lin Wanqiu discovered that he was not the protagonist. The protagonist turned out to be that mediocre junior fellow student, who could learn any technique at once, and could even practice it to perfection based on made-up textbooks. After many years of playing KFC, my junior brother has become one of the best players in the world...