BADBOYS

The students of Suzuran High compete for the King of School title. An ex-graduate yakuza is sent to kill the son of a criminal group, but he can't make himself do it as he reminds him of his youth.

Fists fly when Oya High’s street fighters defend themselves from a three-school alliance of brawlers.

Chiku is a devastated and dangerous town with 5 gangs fighting fiercely. Mugen and the Amamiya Brothers clashed, leading to Mugen disbanding.

A month after Genji Takiya graduates, a new battle for supremacy at Suzuran All-Boys High School begins. Transfer student Kaburagi Kazeo combats Kagami Ryohei for the coveted top spot, amidst a brewing inter-school conflict with Kurosaki Industrial High.

Genji and his victorious G.P.S. alliance find themselves facing down a new challenge by the students of Hosen Academy, feared by everyone as 'The Army of Killers.' The two schools, in fact, have a history of bad blood between them. And the simmering embers of hatred are about to flare up again, burning away any last remnants of the truce they had so rigorously observed until now.

The Amamiya Brothers, Masaki and Hiroto, keep looking for their older brother Takeru who disappeared one year ago. The three Amamiya brothers lost their parents when they were young. Since then, they relied only on each other. On the anniversary of their parents' death, Masaki and Hiroto expect Takeru to appear. Instead, they meet a person who has a clue on Takeru's whereabouts.

Shota Kadomatsu, a first-year high school student who transferred to a private Takehana Boys' High School surrounded by four girls' high schools just because he wanted to have a girlfriend. However, the class he entered was a group of problem children, Class 1 G, who were isolated from the school building and feared by the teachers. Shota is surprised by the dilapidated classroom and his classmates with strong quirks, but he spends his days happily in love and friendship. However, the evil organization Tennokai, which was supposed to have been crushed by the urban legend of the delinquent group G-Men after a deadly battle, was closing in on them.

A powerful new enemy appears in front of 3 gangs: Gokuraku Cho, Biisuto and Hiroshima Naitsu. Based on the manga "BADBOYS" by Hiroshi Tanaka (published from 1988 to 1996 by Shonen Gahosha through biweekly manga magazine Young King).

Tatsuya, a former gang leader, seeks a fresh start after juvenile detention but quickly finds himself entangled in a gang rivalry. Amidst the chaos, he forms unexpected bonds with Kaname, a rival gang member, and Chihiro, the sister of a late gang leader, as they navigate the dangerous gang world together.

Three inseparable friends are torn apart when one of them joins a criminal syndicate threatening to overpower his old friends' gang.

Members of SWORD win against Wangan Rengogun, which is led by Kohaku. The city becomes peaceful again. Nevertheless, the most brutal gangs, Doubt and Prison Gang, appear. They try to dominate the area controlled by SWORD.