Description:

Being one of the few longtime friends with Onizuka (GTO), Danma Ryuji has seen all the fiascoes he has gotten into. But the motorcycle shop owner and self proclaimed fastest driver in the city is about to get into a world of trouble. A hot teenager named Ishikawa Mimon starts taking interest in Ryuji, but contrary to her appearance, she's a dangerous person that will put Ryuji into life threatening situations. Even though he has a beautiful girlfriend named Nagisa, Mimon is about to wreak havoc in Ryuji’s peaceful life. (Source: MangaHelpers)

Description:

Mitsumine High School is known as the school with the most juvenile delinquents in the country. The students are so violent that even the teachers are scared for their lives. Sunahara is the leader of the first years and is the strongest dude of his class. But when the transfer student Asagiri Shinnosuke makes an appearance at the school, he starts taking down names and kicking up dust like a tornado. If the students thought things were violent and unpredictable at Mitsumine, they haven’t seen anything yet since Asagiri is here to become the champion of the school. (Source: MangaHelpers)

Description:

This Crows gaiden follows Katagiri Ken when he was still a student at Suzuran High.

Description:

Endou Kiku, a delinquent lone wolf, is pissed off with the world and everyone in it. Until he meets Senji and Sanji, who were just like him until they met each other. This one volume story follows Kiku as he finds out what it means to have friends and not be alone in the world, while also kicking ass and taking names in the meantime. This is the original Takahashi Hiroshi delinquent manga, predating his more famous works Crows, QP and Worst. (Source: Batoto)

Description:

Hana Tsukishima is a country boy that recently moved to city. He is a good guy, ingenuous and honest, but he is also very strong. His goal is to become the "strongest student" of a school of thugs led by clan-logic, strength hierarchy and fights.