Chen Zhiyuan a sophomore at Rongcheng No. 7 High School was sloppy

Chen Zhiyuan, a sophomore at Rongcheng No. 7 High School, was sloppy, weak, and had mediocre grades—until he accidentally bound himself to a "heartthrob development system." He completed his self-discipline tasks by jogging every day and going to bed before 10:30 p.m., leading to a comprehensive upg…