" Bad Boy " was a manga created by Japanese manga artist Hiroko Hanami. It was first published in Shueisha's magazine," Weekly Shonen Jump." The story was about a rebellious and ill-behaved young man named Tianxiang, who gradually grew up in the friction with his teachers and classmates. After experiencing a series of events, he began to change his thoughts and behavior. The work was very popular among readers and was adapted into various forms such as animation and novels.