I Got Beaten a Few Times Just After School Started.

Start in School and Slowly Become a Gangster Boss (Don't Be Systematic)

If You Are a Mixed Society Person in China, Please Don't Refer to Me in the First Person, Please Recommend Me.

The Underworld Is Full of Passion and Brotherhood. Do Anything for the People Around You

Doujinshi, the protagonist returns to Japan after being a gangster in Japan, and does whatever it takes to protect the people around him.

Books About Gangsters

Is there a protagonist who is weak at first and then gets bullied every day? Then one day he can't bear it any more and beats up the bully and then starts to become a gangster.