The Most Powerful Girl on the Surface of the Shenhao System

[No cp, single arrow. In the 21st century, Yan Yan, a good boy, traveled through time and became an abandoned ex-girlfriend, but he has his own divine system. The most popular idol in the entertainment industry: "Everything I have belongs to my sister." The strongest racing driver: "She is the only one who can be my co-pilot." China's most powerful miracle doctor: "She saved my life." Yewang E-Sports Champion: "She helped me reach the top." World-Class Pianist: "My music was made just for her." ...