Satoru Nii

Haruka Sakura wants nothing to do with weaklings—he's only interested in the strongest of the strong. He’s just started at Furin High School, a school of degenerates known only for their brawling strength—strength they use to protect their town from anyone who wishes it ill. But Haruka’s not interested in being a hero or being part of any sort of team—he just wants to fight his way to the top!

With sparks flying, the delinquents’ brawl begins! It’s a one-on-one showdown between Bofurin vs Shishitoren, and only the strongest team will come out on top. The devotees of strength, Shishitoren, is here to raid their turf!! Haruka Sakura moves to a new town in hopes of becoming the top of the infamous delinquent school, Furin High. But when he finds out that the delinquents have rebranded into a team unified by their duty to protect the town, he joins them down their path as a member of their team. Unfortunately, his start is a rocky one when he finds himself in a conflict with the rival team, Shishitoren, who owns the turf right next to theirs. The Furin leader, Umemiya, gets dragged into their bought and a Bofurin versus Shishitoren one-on-one tournament begins, with their teams on the line!

The battle against the former Furin students is rapidly approaching! Umemiya uncovers the truth of his past, and the former Furin High legends, Yamato Endo and Chika Takiishi are introduced.   The men who clashed against Umemiya and his followers countless times in the past are threatening Furin once again…and the curtains to the greatest brawl of the town's history is about to rise!! But before the fight, Umemiya reveals his past, about the long and arduous journey he took to become Furin's top…

Bofurin's hidden “shadows” draw near as a legendary fighter of Furin legend attacks!! Sakura Haruka is aiming to become the top of Furin High, a school full of delinquents with a mission to protect the town. When a battle breaks out in the night street over a single girl, Sakura is determined to aid one of the Four Kings of Furin, Tsubakino, in protecting both the street and the girl. As the battle finally draws to a close, a single man joins the fray, shaking up what could've been a peaceful end. Little did Sakura know, this man would eventually drag in the rest of the school and their hidden past…

Tsubakino, one of the four kings of Furin, has invited Sakura Haruka to the city of the night, and after accepting Tsubakino's invitation, Sakura runs into the protectors of their street, Ippon Ichiza. Now that Sakura and his friends have joined Ippon Ichiza's fight to protect a single girl, they are faced with an incredibly challenging fight as their enemies flood into the battle in waves. What awaits Sakura and his trusty allies in the thrilling battle on the night street…?

A new battle commences in the street of midnight for the men that share the same strong will as the warriors of Furin! When the aspiring young man, Haruka Sakura, joins the delinquent school, Furin High, with the purpose of becoming the leader of the delinquents, he finds friends and allies, creating a place he can call his own. Tsubakino, one of the Four Kings of Furin, invites Sakura to the Entertainment District, a flashy street lit by neon lights. There, he meets another team that shares Bofurin's duty to “protect their town,” and Sakura once again finds himself caught up in another furious battle…

Haruka Sakura is aiming to become the top of the major delinquent school, Furin High School. But for the first time, he is finally surrounded by friends and he doesn't know what to do and his body refuses to listen. Afraid of being rejected, Sakura seeks out the grade leader of the second years, Kaji, for advice. On top of all this, another of the school's Four Kings, Tsubakino, finally appears before Sakura! What awaits them when Sakura agrees to work with Tsubakino...?!

This is the last match between Bofurin and KEEL! It's time to bring down the hammer on their vile violence!! Sakura's first-year group clashes with KEEL, the team that rules through fear, in order to help their classmate and friend. When the second-years, led by Kaji, shows up, their bout finally reaches its climax! Meanwhile, as Sakura fends off KEEL's members, he notices a sudden change happening to his own body. How will these friends that Sakura made for the first time shape his future?!

Stand up for your classmates! Furin Year 1 students, march forward!! Haruka Sakura has transferred into the strongest delinquent high school, Furin High. After attaining his classmates' trust, he is promoted to grade captain! Without any time to settle in, a sudden turn of events send a ripple through Sakura's new life. In order to save his classmate's childhood friend, Sakura and his class of first-years must step foot into the violent and feared team, KEEL's, castle. It is up to our hero delinquents to fend off their vile enemies!

After defeating Shishitoren, Sakura Haruka finally gets to experience some normal days at Furin High. After meeting some powerful classmates and astounding upperclassmen, Sakura gets elected the Class Captain, blossoming some changes in Sakura himself. Meanwhile, a dark shadow looms over one of Sakura's classmates. To save his friends from the infamous team, KEEL, Sakura and his class jumps into action!

Save the lonesome lion! The one standing up against the final boss is the strongest man of Bofurin, Umemiya!! Furin high school is known as the most powerful delinquent high school, as well as the heroes of the town. After joining Furin, Haruka Sakura finds himself surrounded by strong friends as he continues to strive for his goal and become the top of the school. The final battle of the one-on-one tournament against the devotees of power, Shishitoren, is finally starting. What sort of answer does Umemiya have for the power-hungry and obsessed Choji Tomiyama?

Haruka Sakura came to the ultimate delinquent school, Furin, in order to fight his way to the top and usurp the school gang's leader. But when he finds out that Furin High School has now changed into an organization called Bofurin, with the sole purpose of protecting the town, Sakura finds himself becoming a part of their cause, fighting for others for the first time. Furin and the devotees of power, Shishitoren, clash match after match in the tournament with their teams on the line, leading to the final two fights where Furin must now face off against the menacingly strong and proud vice-captain, Togame, and their captain, Tomiyama.