The story is of Kitano Seiichirou, a very kind and pure-hearted young man, with a horrifying, monstrous face. People being what they are, they think... more>> he's a terrifying delinquent, and there are plenty of chance misunderstandings (coupled with Kitano's convenient inability to understand what's happening around him) that propel him into the position of "school guardian", a.k.a. head thug on campus. <<less

Since the graduation of the senior members of the club, Takezou ends up being the sole member of the "Koto" (traditional Japanese string instrument) club.... more>> Now that the new school year has begun, Takezou will have to seek out new members into the club, or the club will become terminated. Out of nowhere, a new member barges into the near-abandoned club room, demanding to join the club. How will Takezou be able to keep his club alive and deal with this rascal of a new member? <<less

Ishiyama High is a school populated entirely by delinquents, where nonstop violence and lawlessness are the norm. However, there is one universally acknowledged rule—don't cross first year student Tatsumi Oga, Ishiyama's most vicious fighter.... more>>

One day, Oga is by a riverbed when he encounters a man floating down the river. After being retrieved by Oga, the man splits down the middle to reveal a baby, which crawls onto Oga's back and immediately forms an attachment to him. Though he doesn't know it yet, this baby is named Kaiser de Emperana Beelzebub IV, or "Baby Beel" for short—the son of the Demon Lord!

As if finding the future Lord of the Underworld isn't enough, Oga is also confronted by Hildegard, Beel's demon maid who insists he take responsibility as Beel's guardian. Together they attempt to raise Baby Beel—although surrounded by juvenile delinquents and demonic powers, the two of them may be in for more of a challenge than they can imagine. <<less

The death of twin brother in academy violence, now the bitter revenge of his younger bother begins.... more>>

After Kang Hu’s death from bullying, the family was torn into pieces. His younger brother suppresses his resentment and heads back to school. The story begins exactly one year after Kang Hu’s death when his brother seeks to destroy the delinquent circle... <<less

Ju Ingong (which literally translates to Main Character) has been terrifying all his schoolmates in every school he has been so far. He has one... more>> extremely scary face type and whoever lays his eyes on him thinks he is a BAMF (bad ass). Although… is he really? <<less

When I wake up, everything is a mess. War? Extraterrestrial invasion? Whatever it is, I just need to take my personal revenge.... more>>

After being beaten up by bullies, high school senior Yiyeon Kang wakes up from a coma, only to find the world in ruins from an alien invasion. The streets around him are littered and empty, with bullies out looking for their next prey. As he navigates this new world, despite being too weak, he is determined to find and save his friend Younglin. Between bullies, aliens and this post-apocalyptic reality, he'll do all he can to survive... and to bring down those out to get him. <<less

Once the bullies target you, it’s game over. The school is run by tyrants whose favorite hobby is tormenting the weakest kids in class. But... more>> then Gray arrived. This mysterious new student threatens to dismantle the established order. He may be small in stature, but his calculative and brutal fighting leaves unsuspecting opponents lying on the floor begging for mercy. Now the school's toughest bullies have to scramble to take down this new and unusual hero. (Source: WEBTOON) <<less

Takes place a few years after Little Army. Emi, who had gone to her mother country, Germany, in order to learn about tanks, returns to... more>> Japan in order to keep a certain promise. However, many new experiences await her at her new school's Senshadou club. <<less

The sequel to Dokgo. After avenging his older brother, a new story begins for Kang Hyuk.

This is the legend of how delinquent Sakura rises to become a hero!... more>>

Fuurin High is known for having the lowest test scores, and the strongest fighters. This spring, Sakura Haruka decides to aim for the top of Fuurin, and learns of the alias Fuurin High holds, namely ‘Boufuurin’, acting as a protective shield for the town and its inhabitants. Sakura joins this group as a member, and his battle to protect the town begins! <<less

Tousuke Rokudou is a loser, and everyone knows it. He gets picked on at school, gets snide looks from passersby, and can only muster up the courage to complain in secret with his equally hapless friends. Looking to turn his life around, he desperately uses an ancestral artifact passed down in his family for generations: a scroll that is capable of subduing all demons. However, in the modern age, it has a different effect: it makes all bad girls fall in love with him.... more>>

...And then, things go ballistic when he meets the delinquent beast-on-a-girl's-body Ranna Himawari, who hopelessly falls deep for him.

See Rokudou traverse through a school life filled with delinquents, turf wars, backstabbing, and as the song goes, "Everybody Was Kung Fu Fighting"!!! <<less

Watching the news, Takemichi Hanagaki learns that his girlfriend from way back in middle school, Hinata Tachibana, has died. The only girlfriend he ever had... more>> was just killed by a villainous group known as the Tokyo Manji Gang. He lives in a crappy apartment with thin walls, and his six-years-younger boss treats him like an idiot. Plus, he's a complete and total virgin … At the height of his rock-bottom life, he suddenly time-leaps twelve years back to his middle school days!! To save Hinata, and change the life he spent running away, hopeless part-timer Takemichi must aim for the top of Kanto's most sinister delinquent gang!! <<less

Six minors (16 - 17 years) answering to the nicknames of Joe, Mario, Suppon, Baremoto, Heitai, and Kyabetsu are put into a reformatory for offenses such as aggravated assault, swindling, flight, etc.... more>>

Their stay in hell begins immediately. Accommodated by a doctor pedophile, they are placed under the watch of a despotic and brutal crew. Cellmates with a certain Sakuragi (called Anchan), the tension rises between the band of buddies and their new "friend."

A brawl breaks out, and our six prisoners are done rossés by the mysterious young man, thanks to his boxing talent. The story will not only follow the lives of these seven characters surviving in their hellish environment, but also their disillusions due to the rejection by the outside world and by their close relations. This is about the extraodinary and invincible friendships between these young men.

Note: Won the 2005 Shogakukan Manga Award for the seinen/general category along with . <<less

Kurosaki Mafuyu was a juvenile delinquent and head of her gang before her subsequent arrest got her expelled from high school. Now that she’s transferred... more>> to a new high school, she’s determined to become an “ultra-shiny, super feminine high-school student.” But with a new friend like Hayasaka-kun and a homeroom teacher like Saeki Takaomi (who may be more than he seems), will Mafuyu really be able to live a girly-girl high-school life!? <<less

Geonu Dan has vowed to overthrow the status quo of the dysfunctional high school he recently transferred to, where rich and powerful third-generation chaebol heirs... more>> call the shots and gambling runs rampant. But does Geonu have what it takes to beat the odds, defeat the Taekyeong Oh Family, and restore law and order to his high school? <<less

Momose, a clumsy girl who has always been slaved around to run errands by delinquents in her middle school, will now be attending a non-yankee high school. At her new school, she thinks of joining a club so as to not bother anyone and one day meets a classmate, a serious boy with glasses, Ichikura-kun. In reality though, that Ichikura has been an undefeated yankee in his middle school which he hid from everyone when he enrolled into this high school!... more>>

Momose is the only one who knows Ichikura-kun's secret yankee past?!

The youthful former yankee X a girl who was bullied by yankees are now having a LOVE SURVIVAL ♡ <<less

Fresh out of college, Kumiko "Yankumi" Yamaguchi becomes a math teacher at an all-boys high school. Unfortunately for her, she's assigned by the school board as the homeroom teacher for class 2-D, which happens to be the class of delinquent students. When the class attempts to make a living hell out of Yankumi's career, they fail as her persistence and aggression gain their respect. However, little does anyone in the school know that Yankumi is actually heir to the Kuroda Group - one of Tokyo's most powerful yakuza clans.... more>>

Gokusen Kanketsuhen consists of:

- 2008 special

- 2009 special

- Uchi chapter (Unscanlated)

- Halloween special

- 4-koma segments (Unscanlated) <<less

An infamous yankee, Kurokawa Morio meets a partially blind girl, Akaza Yukiko.

Mizutani Shizuku is the type of person who only cares for her own grades. But when she accidentally delivers the lesson notes to Yoshida Haru, Haru becomes convinced they are friends.... more>>

Haru turns out to have a very innocent personality, but who would've thought that Haru would actually confess to Shizuku?

A cold-hearted girl x super troublemaker romance with a fresh new perspective. <<less

Daichi is a college student who has finally fulfilled his dream of moving out and living alone. However the one who is waiting for him... more>> at Sakuranosaki Heights is a delinquent like landlord? ! Though her expression is scary, she is a landlord that is good at looking after others. Because of this, the otaku life Daichi has always dreamed of takes a step in an unexpected direction?! <<less

High school is hard enough without a target on your back, but that’s exactly the situation Annie finds herself in when she crosses a group... more>> of the most popular kids in school. Marked by the king bee himself, the notorious Ashton Griffin, Annie becomes his newest fixation--and he is determined to make her life miserable. Now at his beck and call, Annie must stay on Ashton’s good side to maintain her peaceful life and avoid becoming a social pariah. As she navigates her way through alienating social cliques, persistent old crushes, and the hot upstairs neighbor who never puts a shirt on, Annie will soon learn that there’s more to being popular than meets the eye. She just wanted to live a normal life, but maybe there’s no escaping these king bees. An official comic adaptation based on the hit dating-sim game. <<less

This is the story of a terrible kidnapping and gang rape crime committed against a 17-old-girl, by 17-year-old boys. Why did such a thing happen? Why was no one able to prevent it?... more>>

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In the beginning, high school boys Hiroki and his friend Takashi are rescued from bullying by a notorious gangster, Miyamoto. At first, they are thrilled to be under his protection, and cheerfully run off anyone who threatens them with the mere mention of Miyamoto's name. Soon, they learn that there is a lot more to being in Miyamoto's gang than just being protected. In return, they're expected to offer loyalty and obedience, or face possibly deadly consequences. This becomes harder as the violence and the crimes they find themselves committing begins to escalate. One night, they kidnap a high school girl, Sachiko. Now Hiroki has two battles to face. Internally, he faces the dissonance between his sense of self-preservation and his conscience. Externally, Sachiko's twin sister Miki, who goes to Hiroki's high school, her parents and the police are searching for the missing girl. Will Sachiko ever return home? What kind of person--or monster--will Hiroki become? <<less

Yuu is a high school kid who doesn't really fit anywhere. To find a place he can belong, be accepted, he will do anything. However... more>> one thing leads to another and he is forced to fight to keep his place, his holyland. <<less

Kazama Kenji likes to believe he is something of a delinquent. Moreover, others seem to like to agree that he is. Of course, Kenji's gang... more>> finds their way to a group of four not-so-normal girls - Chitose, Sakura, Minami and Roka - and all at once, whatever reputation he may have, is nothing compared to the outrageous behavior of the girls. Shanghaied into joining their club, what will happen to his everyday life from that point on? <<less

He's short, weak, and has just transferred to a new school. Kurumatani Sora is the main character in this story who loves basketball. He has... more>> been shooting hoops ever since he was little and has been trying to grow tall just like his mother, who "used" to be a basketball player. What happened to her and what Sora will do at the new school is all up to you to find out! <<less