The story is about Kenichi Shirahama, an average 15-year-old weakling who is always get bullied at school. His life turns to Hell with the appearance of the transfer student who is also naive, beautiful, and strong name Miu FÅ«rinji. In the first episode, after Kenichi witnesses Miuâ€™s skills in martial arts, he decides to joins the Ryozanpaku dojo. This place is the gathering place of all those who are truly strong, which also happens to be Miuâ€™s home. Her grandpa is also one of the masters there and also runs the dojo. Kenichi who was challenged wins in a karate match is soon targeted by all the delinquents in the school. After that, Kenichiâ€™s routine is divided between his hellish training with the masters of Ryozanpaku, and his fights against the members of Ragnarok, a gang who views him as either a possible ally or an impending threat to their plans. With mental and physical challenges ahead, can Kenichi survive his encounters with Ragnarok, or will the masters of his dojo get to him first?
01 – The Place where the Heroes Gather
02 – The First Step! The Start of the Battle!
03 – Strength and Courage! For Protecting Justice!
04 – Fighting Hell! To Fight Or Not To Fight
05 – A Date? Must Move Forward!
06 – A Day At RyÅzanpaku! The Dream On The Roof!
07 – Battle! The Gang Fights Back!
08 – Amazing Muscles! The Sensei’s Secret
09 – Apapapa! Apachai’s Training
10 – Run Kenichi! A Boxer’s Weakness
11 – The Fist of Betrayal! Takeda’s Sad Past
12 – A New Enemy! Tsuji Shinnosuke!
13 – Killer Fighting Techniques! Rules Of A Battle!
14 – Dedicated Training! Nearby Hot Spring Bath
15 – Honoka Sneaks In! RyÅzanpaku’s Guest
16 – RyÅzanpaku’s Greatest Crisis!!?
17 – Protect the Sign! Attack on the Dojo!
18 – Amusement??? To The Secret Furinji Island!
19 – The Strongest Member of the Ragnarok Team, the 8th Member!
20 – Takeda’s Crisis! The Law of Retribution!
21 – Unforgivable! Kenichi’s Fist of Anger!
22 – Young ones, gather ! The formation of the Shinpaku alliance !
23 – Attack ! The neighboring Ryouzanpaku !
24 – The Stolen Heart! Miu’s Juliet!
25 – Protect to the Death Kenichi! Miu’s Lips
26 – The Mask Removed! Hermit’s Real Identity!
27 – Hard vs. Soft! The Sibling’s Quarrel After the Long Separation
28 – The Assault Commander Joins In! Restaurant Scuffle
29 – What Fear, Seig! Prelude For Destruction
30 – Results of the Training! The Result Of Small Steps!!
31 – Honoka I’ll Save You
32 – Honoka’s Crisis! Loki’s Strategy
33 – Take him down Kenichi. Let your fist do the talking!
34 – Don’t Lose! The Last words of a Loved One.
36 – Miu vs. Renka! The Triangle that Calls up a Storm