What is crows zero manga?

Crows Zero is a manga series written and illustrated by Hiroshi Takahashi. The manga was published by Akita Shoten from 1998 to 2000 and was later adapted into a film series directed by Takashi Miike. The story revolves around high school students in a fictional high school called Suzuran, who engage in intense gang wars and fights to become the leader of the school. The main character of the manga is a transfer student named Genji Takiya who wants to conquer Suzuran and become the top of the school. The series has gained a cult following due to its intense action scenes, intricate plot, and detailed characters.