Seasons & episodes
S1 · E1Ryozanpaku: Where the Powerful Gather! 2006-10-07 · 25 min
While running late for class, Kenichi bumps in to the new transfer student Miu. At the karate club, Kenichi is challenged by another student Daimonji for a match. With the loser losing the right to be a member of the club. On the way home, Kenichi is awed when he sees Miu easily defeat a group of thugs. On Miu's advice, he heads to the Ryōzanpaku dojo to train in martial arts.
S1 · E2The Beginning of the Fight! 2006-10-14 · 25 min
Kenichi begins his training at the Ryōzanpaku dojo under the guidance of Akisame. The training focuses on building strength and stamina. Concerned about Kenichi's fight with Daimonji, Miu secretly teaches him a stepping technique to maneuver around. Even though Kenichi is able to defeat Daimonji at the challenge, he yields his membership of the karate club after being accused of using a throw in a karate match.
S1 · E3Strength and Courage! For the Sake of Justice! 2006-10-21 · 25 min
After watching Kenichi defeat Daimonji, Tsukuba, the strongest member of the karate club, gets suspicious of Kenichi's abilities. At the school Miu, joins the girl's gymnastics club and soon becomes the center of attention after displaying her abilities at gymnastics. Kenichi desperately tries to avoid Tsukuba, but is soon caught and gets beaten to a pulp. Seeing Kenichi repent his loss to Tsukuba, Akisame decides to start training him in some martial arts techniques.
S1 · E4Fight to Survive! It's Whether You Do It or You Don't! 2006-10-28 · 25 min
Kenichi is easily defeated by Tsukuba despite his heavy training, so he becomes greatly demotivated. With a desire to become stronger and more courageous, Akisame-sensei agrees to finally teach him martial art fighting techniques. Kenichi is put through more rigorous training from the four masters of martial arts. Sakaki-sensei takes a liking to him, so he teaches him a technique that a Sports Karate Style user is vulnerable to. Eventually Kenichi runs into Tsukuba and fights him again, this time he uses the techniques taught to him and he emerges victorious in the battle. Little does he know what troubles he will face as a result of it in the future.
S1 · E5A Date?! You'd Better Score! 2006-11-04 · 25 min
With the news of Kenichi's victory over Tsukuba spreading all over, the strongest gang in the prefecture Ragnarok now has their eyes set on Kenichi. All Kenichi can do now is to train and prepare for the worst. For a change of pace, his teachers suggest that he goes on a date with Miu but they seem to have an ulterior motive.
S1 · E6A Day at Ryozanpaku! The Rooftop Dream! 2006-11-11 · 25 min
Kenichi decides to spend the entire weekend at the Ryouzanpaku dojo and train for his imminent fights. His little sister then goes to check out this dojo, to see what kind of torturous things he's going through.
S1 · E7Hot Battle at the Gardening Club! A Return Match! 2006-11-18 · 25 min
Kenichi is with fellow gardening club member Izumi, enjoying what is left of his peaceful life because following this he has more extensive training to do. During his training with Miu it doesn't take long before he runs into the Ragnorak and it is Taichi Koga the kicker he is up against.
S1 · E8Amazing Bodies! The Mysterious Masters! 2006-11-25 · 25 min
The attacks on Kenichi are now becoming a daily occurrence and one day his opponent ends up pulling out a knife against him. Because it was his first time against a weapon, Kenichi freezes up, forcing Miu to save him. Now Shigure-sensei, the weapon specialist, has now decided to teach Kenichi the basic art weaponry.
S1 · E9Apapapa! Apachai's Training! 2006-12-02 · 25 min
With Kenichi's training with Apacahi always ending the same, Apachai is trying to learn of a way to go easy on him. Will Apachai ever learn how to go easy on Kenichi, during training?
S1 · E10Go, Kenichi! A Boxer's Weakness! 2006-12-09 · 25 min
Takeda Ikki, the puncher from the Ragnorak gang, is still searching for Kenichi but has had no luck so far. So he decides to hold some of Kenichi's so called friends hostage to lure him out. Now it is the time to see if Kenichi's training on Muay Thai, with Apachai, had an effect.
S1 · E11The Fists of Betrayal! Takeda's Sorrowful Past! 2006-12-16 · 25 min
It's the continuation of Kenichi's intense fight with Takeda and Kenichi seems to have the upper hand but his kindness may prove to be his downfall. Kenichi is also wondering what made such a promising boxer like Takeda to become a delinquent.
S1 · E12A New Enemy! Shinnosuke Tsuji! 2006-12-23 · 25 min
Kenichi feels uneasy about how he should express his feelings to Miu. After Kisara hears of Takeda's defeat Tsuji Shinnosuke is sent to kill Kenichi, however he invites him to join his gang instead. When Kenichi refuses and debunks his way of thinking, Shinnosuke challenges him to a fight.
S1 · E13The Way of the Fight! The Rules of the Real Fight! 2007-01-06 · 25 min
All of Kenichi's attacks seem to have no affect on Shinnosuke. Even though Kenichi is stronger, his opponent has more fighting experience so he is still at a disadvantage. Miu is not allowed to come to his aid because it would hurt Kenichi's pride. Kenichi becomes careless and is knocked to the ground and is about to be torn apart, Takeda comes and punches Shinnosuke to one side and escapes carrying Kenichi back to the Ryouzanpaku dojo. To Kenichi's dismay his masters all criticise him for being defeated, because it means it will lead to further defeats. Niijima continues to spread his manipulated version of the news throughout the whole school. After his defeat has been revealed to everyone, he is constantly chased around by school delinquents. All of the masters at the dojo decide that Kenichi should be taken in as a true disciple of Ryozanpaku, meaning he should stay there and must live only for martial arts.
S1 · E14Dedicated Training! And a Nearby Hot Spring Bath! 2007-01-13 · 25 min
After his defeat with Shinosuke Tsuji, the masters decided to have Kenichi live with them. This would include 24 hour hell-like training. Kenichi accepts with the idea that he would be living with Miu under the same roof. Kensei later drags Kenichi do a "special training" with him by tryring to peek on Miu and Shigure's bath unnoticed.
S1 · E15Honoka Infiltrates Ryozanpaku! 2007-01-20 · 25 min
Honoka decides to infitrate the Ryōzanpaku by herself, much to her despair.
S1 · E16Ryozanpaku Faces the Greatest Crisis?! 2007-01-27 · 25 min
Kenichi and Miu's homeroom teacher pays a visit on Ryōzanpaku to check on her living conditions, and the members of the dojo decide to forge a story to deceive them.
S1 · E17Protect the Name! Attack of the Dojo Challengers! 2007-02-03 · 25 min
Rivals from another dojo break into Ryōzanpaku to challenge their masters, but only with Kenichi and Miu present at the moment, they end up having to confront them by themselves.
S1 · E18Paradise? To the Mysterious Furinji Island! 2007-02-10 · 25 min
The gang leaves with Honoka to a special summer spot.
S1 · E19The Strongest of the Ragnarok! Here Come the Eight Greatest Fists! 2007-02-17 · 25 min
Kisara officially becomes one of the eight fists of Ragnarok, the highest ranked members of the organization.
S1 · E20Takeda in Danger! The Rules of Revenge! 2007-02-24 · 25 min
After becoming one of the eight fists, Kisara starts to hunt on those who deserted her. Takeda is attacked by Kisara's gang.
S1 · E21Unforgivable! Kenichi's Fists of Fury! 2007-03-03 · 25 min
Kenichi and Miu aid Takeda and Ukita against Kirara's army.
S1 · E22Gather, Young Men! The New Shinpaku Alliance! 2007-03-10 · 25 min
Niijima puts his master plan to create his personal legion in motion.
S1 · E23Assault! The Next Door Ryozanpaku! 2007-03-17 · 25 min
Hoping to win Kenichi's affection, Izumi seeks for Nijima's aid and ends up paying a visit to Ryouzanpaku.
S1 · E24The Captured Heart! Miu's Juliet! 2007-03-24 · 25 min
Natsu Tanimoto, the president of the drama club, invites Miu to perform "Romeo and Juliet" together at the school's play, to the despair of Kenichi.