Other name: 史上最強の弟子 ケンイチ; History’s Strongest Disciple Kenichi; Shijou Saikyou no Deshi Kenichi
Written by: Syun Matsuena
Illustrated by: Syun Matsuena
Year: Oct 7, 2006 to Sep 30, 2007
Episodes: 50
Status: Completed

“Weak Legs” Shirahama Kenichi would rather spend his time reading self improvement books than fighting. However, when he finally works up the courage to become strong and join his school’s karate club. He is coerced into fighting a bullying upperclassman who is intent on getting him kicked out of the club. He is about to give it all up until he falls for his mysterious new classmate, Furinji Miu.

In order to face this challenge, he undergoes rigorous training at the dojo she lives at, Ryouzanpaku. Some initial training by the masters there allow him to defeat his upperclassman. However his fighting prowess brings him to the attention of the powerful gang of deliquents, Ragnarok. Wishing to protect the things he loves and determined to have the strength to face the increasing adversity. He must learn various martial arts from the dojo’s resident masters, taking Karate, Muay Thai, Ju Jitsu and Chinese Martial Arts and combining them to create his own fighting style!

Episode 01: The Place where the Heroes Gather

Episode 02: The First Step! The Start of the Battle!

Episode 03: Strength and Courage! For the Sake of Justice!

Episode 04: Fighting Hell! To Fight Or Not To Fight

Episode 05: A Date?! You’d Better Score!

Episode 06: A Day At Ryōzanpaku! The Dream On The Roof!

Episode 07: Hot Battle at the Gardening Club A Return Match!

Episode 08: Amazing Bodies! The Mysterious Masters!

Episode 09: Apapapa! Apachai’s Training!

Episode 10: Run Kenichi! A Boxer’s Weakness!

Episode 11: The Fists of Betrayal! Takeda’s Sorrowful Past!

Episode 12: A New Enemy! Shinnosuke Tsuji!

Episode 13: The Way of the Fight! The Rules of the Real Fight!

Episode 14: The Dedicated Training! And a Nearby Hot Spring Bath!

Episode 15: Honoka Infiltrates Ryōzanpaku!

Episode 16: Ryōzanpaku’s Biggest Crisis!

Episode 17: Protect the Sign! Attack of the Dojo Challengers!

Episode 18: Paradise? To the Mysterious Fūrinji Island!

Episode 19: The Strongest of Ragnarok! Here Come the Eight Greatest Fists!

Episode 20: Takeda’s Crisis! The Law of Retribution!

Episode 21: Unforgivable! Kenichi’s Fists of Fury!

Episode 22: Gather, Young Men! The New Shinpaku Alliance!

Episode 23: Assault! The Next Door Ryōzanpaku!

Episode 24: The Captured Heart! Miu’s Juliet!

Episode 25: Stand Strong, Kenichi! Miu’s Kiss!

Episode 26: The Mask Removed! Hermit’s Real Identity

Episode 27: Hard vs. Soft! The Sibling’s Quarrel After the Long Separation!

Episode 28: The Assault Commander Joins In! Restaurant Scuffle!

Episode 29: The Fearsome Siegfried! Prelude to Destruction!

Episode 30: Results of the Training! The Result Of Small Steps!

Episode 31: Honoka Will Help You! Steps!

Episode 32: Honoka’s in Danger! Loki’s Strategy!

Episode 33: Strike him Kenichi. Let your fist do the talking!

Episode 34: Don’t Give In! The Words Left by a Loved One!

Episode 35: No Burdens! The Time of Conclusion Arrives

Episode 36: Miu vs. Renka! The Love Triangle Creates a Storm!

Episode 37: Dangerous Temptation! Let’s Eat Hot Pot Stew Together!

Episode 38: Cute Kittens! A Female Hand-to-Hand Battle

Episode 39: Shigure’s Personal…Lesson!

Episode 40: The Place the Promise was Made! Everything Started Here!

Episode 41: Terror of the Sphere of Control! A Dragon Descends!

Episode 42: Elder ‘s Super Express! Do-or-Die Secluded Tour in the Mountains!

Episode 43: Limiter! Invitation to the World of Bloodshed!

Episode 44: Collapse of the Shinpaku Federation! The Crazy Fist Stealthily Approaches!

Episode 45: The Decisive Attack! Kisara Dances!

Episode 46: Farewell! A Determined Niijima Joins the Fray!

Episode 47: The Weakness of the Genius! Effort Surpasses Talent!

Episode 48: Summit Showdown! The Man with the Legendary Spear!

Episode 49: The Strongest Transformation! The Ryōzanpaku Rhythm!

Episode 50: History’s Strongest Disciple Kenichi!!

OVA 1: The New Assassins

OVA 2: The girl who came from China

OVA 3: The Gorgeous Assassin

OVA 4: Beautiful Wings

OVA 5: Reaper vs. Devil

OVA 6: The Soldier from Russia

OVA 7: Conviction concentrated in one’s Fist

OVA 8: The God of Destruction Under the Tracks

OVA 9: Anonymous (18 years) ♡

OVA 10: The King of Tidat (1)

OVA 11: The King of Tidat (2)