Avenue Upgrade System

The college entrance examination was about to take place. At the request of his class teacher, Chen Lang had to go to the bookstore and buy a set of "Five Years of College Entrance Examination and Three Years of Simulation". But when he returned home and opened the book, he discovered a great secret... I was walking on the street and saw two gangsters teasing a girl. Chen Lang: "Don't panic, let me read for a while..." By a river, I saw a beautiful woman who fell into the water and couldn't swim. Chen Lang: "Don't panic, let me read for a while..." In an Internet cafe, I was ridiculed by a game master for being a weakling. Chen Lang: "Don't panic, let me read for a while..." In this way, Chen Lang's life was led off the original track by a set of books...