Ling has a troubled pass that causes him to get anxiety attacks when he looks in the mirror, it was so bad that he was at a psychiatric hospital for some time, however when he was having one of his 'episodes' the picture that Qi Lou drew comforts him. When Qi Lou finds out how much it means to him she offer him the oil painting of the picture when it is finished, he agrees for in exchange if he will model for her and will protect her. This causes him to make Mr. Lang true character known and eventually Mr. Lang quits from the school. However, Ling and Qi Lou closeness gets noticed and causes people to get jealous like Da Ye, Ling's best friend you has liked Qi Lou since high school, and Qing Mei, Ling's ex girlfriend who starts to bully Qi Lou.