GACHI-BAN: WORST MAX follows the story of a delinquent who becomes a bodyguard and is tasked with protecting his clients. He must use his fighting skills and navigate the criminal underworld to keep his clients safe.

High school dropout Hayato gets locked up in juvenile prison, where his usual stuck up attitude puts him in trouble with the other delinquents. This installment marks the return of undefeated Yanki (Japanese delinquent) boss, Monji Mori, who becomes Hayato’s nemesis.

After failing to enroll at night school, Hayato has somehow found a new job as a bouncer. During the day, he is confronted by a middle schooler who tells him off when he tries to leave a cigarette butt on the ground. He brushes her off, only for her to run into Yocchan while he was begging for donation money the next day. She is unaware of the fact that it's a scam, and wants to help him.

The invincible Yanki (Japanese delinquent), Monji Mori, leader of the Black Skull Gang, has been released from juvenile prison. Meanwhile, other infamous Yanki, Hayato, has a run-in with the local Yakuza. He barely escapes thanks to a guy who claims to be from the Gold Skull biker gang. Hayato gets caught in the middle as the two Skulls clash in a turf war of the ages.

Gachi-Ban MAX2 is a thrilling action movie set in Shibuya where a high school delinquent, who goes by the nickname Yankee Boy, gets entangled with a dangerous gang. As he navigates the treacherous world of delinquents and yakuza, he must find a way to protect himself and his loved ones.

Following his release from the reformatory, Hayato is a free man and begins working at a Korean host club, the same one Yoshio works at. Unable to handle the woman and work he immediately wants to quit. However, Yoshio soon ends up saddled with a large debt a customer has made and is forced to pay with his life in an illegal underground fighting match. To save Yoshio, Hayato enters instead and comes up against Honda an ex-pro boxer.

Tokio has crushed the leader of the gang he was recruited by to scam people. But, this gets him in trouble with his superior, Baba senpai, who is backed by the yakuza. As a result, Tokio is forced to work for the yakuza, helping them train illegal immigrants to work at a brothel.

A young high school Yanki (Japanese delinquent), Tokio, gets suspended from his school and ventures out to Ikebukuro. Aiming to become a janitor for at a love hotel, he eventually gets scouted to join a gang. They make money ripping people off, and Tokio begins to question his own actions. The gang thinks all is well, unaware of the bigger threat that awaited them.

Sixteenth coming-of-age action film depicting delinquents fighting each other. Two youths who are eternal rivals reunite in an unexpected fashion. Motoki Takashi has helmed the series since the third film. Kinugasa High School top dog Monji (Sano Kazuya) fails to find a successor and gets held back twice. Yuto (Kubota Masataka), who used to exchange blows with Monji, finds employment but gets fired due to his poor academic skills. Painfully aware of the importance of studying, Yuto transfers into the evening class at Kinugasa High School without knowing that Monji is there.

High school dropout Leo gets a visit from his deadbeat father, who tells him to become a student in order to reap the benefits of financial aid. Along with his acquaintance Kokoa, he enrolls in night classes at Kinugasa High. Although, he is unaware of the fact that this school is the former home of the infamous “Black Skull Gang”, headed by none other than Monji Mori...

Monji Mori comes to Tokyo to meet up with his old friend, Nakajima, who attempts to persuade Monji to come join the local yakuza. Monji quickly runs into some trouble with one of their members, which leads a small screw up to turn into an alleged murder. The yakuza want Monji a dead man. Will his fists alone be enough to escape this dire situation?

Yanki (Japanese delinquent) Hayato, is on his way with his senpai, (upperclassman) Yocchan to a so-called “resort” job with good pay, food, and housing. Hayato, not being able to commit to work, meets another Yanki who’s trying to work hard and form a family. Meanwhile, Yocchan ends up falling for the lunch lady at the “resort”... Will she be the one for him?

Monji is finally back at Kinugasa, and finds out that his school has been shut down. Along with some of his fellow classmates, they try to regain their reputation, and discover a website called “Fuckbook”; a website where all schools are ranked by their strength and power.

With Monji’s graduation approaching quickly, he gets into trouble with his teacher, Mr. Anan about his attitude. While everyone else thinks about their futures, a Yanki (Japanese delinquent) boss from Kanagawa Juvenile detention center comes to settle an old score with Mr. Anan.

Takumi, the former boss of the Black Black Black Skull Gang, is about to graduate and he chooses Taiga as his successor. During the handover, a transfer student named Monji tries to usurp the throne of the Black Skull Gang.

Monji Mori receives a sudden goodbye letter from his friend Rei. As the Black Skull Gang continues to pursue national conquest, they meet Manta, a Kansai Yanki (Japanese delinquent) Boss, and Mina, a girl who seems to have taken a special interest in Monji.

This is the new Gachiban series of juvenile delinquent action films in which young stars can be seen in flashy fight scenes. The hard struggle of the hero who comes from a suburban town to Shibuya in Tokyo is portrayed realistically with guerilla style shooting. High school dropout Kuronaga Yuto (Kubota Masataka) hears that his school upperclassman Yoshio (Suzunosuke) has control over Shibuya, the sacred ground for juvenile delinquents, and goes to the downtown area to become his "pupil." However, Yoshio, whom he meets again after a long time, has become a weakling who works hard at a part-time job distributing packets of tissues to passers-by.

High school Yanki (Japanese delinquent) boss, Monji Mori, decides to make his mark at Kabukicho, infamous for organized crimes, as his first step in conquering Japan. In the process, he makes a new enemy and needs his Black Skull Gang to avenge him.

Monji, Hayato, and Taiga are completely drained from their last run-in with the Gold Skulls. While their last battle could be chalked down as a victory, the true leader of the Gold Skulls has been released from prison, and seeks revenge...

Fifteenth film in this violent action series about young outlaws. Passionately depicts the power plays amongst loan sharks captivated by money, with the villain from the previous film GACHI-BAN WORST MAX as the protagonist. The lead is played by Arai Atsushi of the idol actor's group D2. Reo (Arai) lost out to roving delinquent Hayato (Kubota Masataka), but continues with modeling and loan sharking. He rakes in the cash with devotee and underling Shinai (Sato Hisanori), but before long they catch the attention of the mob.

Kinugasa is under attack by a lone Yanki, Goki, who claims to be a member of the Piranha gang. Unable to stop his onslaught, Kinugasa high school is shut down. With Kinugasa’s boss Monji Mori gone, nobody’s there to save them. Desperate for help, Monji’s old friend Taiga Deguchi is called upon for help. Unfortunately for Kinugasa, Taiga isn’t exactly known for his strength...