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Ishidou Natsuo is a gifted girl who can achieve anything she wants in sports. Because of this she is permanently bored, as there aren't any real challenges to her abilities to make her feel alive. One day she receives an invitation of a merry girl to join her martial arts club. Irritated by her happy expression, Natsuo decides to accept the invitation just as a pretext to beat her up, but she receives a shocking surprise.


Related Series

Associated Names
Iron Wind

Groups Scanlating

Latest Release(s)
v.7 c.30.5 by /a/nonymous about 1 year ago
c.33 by Waterflame Scanlations over 4 years ago
c.32 by Waterflame Scanlations over 4 years ago
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in Country of Origin
8 Volumes (Complete)

Completely Scanlated?

Anime Start/End Chapter

User Reviews


User Rating
Average: 8.3 / 10.0 (574 votes)
Bayesian Average: 8.2 / 10.0

Last Updated
September 3rd 2019, 2:40am PST



Category Recommendations





Original Publisher

Serialized In (magazine)
good! Afternoon (Kodansha)

Licensed (in English)

English Publisher

Activity Stats (vs. other series)
Weekly Pos #564 increased(+50)
Monthly Pos #998 increased(+119)
3 Month Pos #1191 decreased(-13)
6 Month Pos #1243 decreased(-250)
Year Pos #1157 decreased(-226)

List Stats
On 2025 reading lists
On 922 wish lists
On 790 completed lists
On 63 unfinished lists
On 364 custom lists

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over 6 years ago

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User Comments  [ Order by usefulness ]
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Great but could use more volumes  
by Theoneyedsnake
February 17th, 2020, 8:32pm
Rating: 8.0 / 10.0
The manga was great. The characters were fairly interesting, and I really enjoyed the plot and some character development.

However, I feel that after the 2 year break the manga took it felt very slightly rushed. It could use 3 or 4 more volumes to further develop the characters and give the plot a more complete feel. The event that was hyped up so much didn’t get to happen for whatever reason. More volumes would have helped that.

... Last updated on February 17th, 2020, 8:32pm
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Interesting but unfinished  
by PZcolo
April 4th, 2017, 3:39pm
Rating: 7.0 / 10.0
Liked this one, fund it lacking in some sense but I can't deny it's an original take on an unoriginal setting as is sports and fighting.
The main highlight it's probably its the hardest thing to swallow too, the annoying and disagreeable main char but that at the same time I can't help but find her interesting, it's a real pitty the story is left hanging halfway through, it would be nice to see the development of not only Natsuo but also Yazuko, they are both interesting and flawed characters and would have very much like seeing some insight into those characters.
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an amazing and complex tour de force  
by Swifft
September 11th, 2016, 10:00pm
Rating: N/A
Teppu packs a punch in all ways: a striking, cruel protagonist; a slew of interesting mental and emotional issues; an engaging story about a fledgling sport; and god DAMN the impactful action in the fights. I gave this series a long review. Teppu is awesome. I'm still sad it had to end so early on in its run. I hope the author picks it up again some day, or becomes healthy enough to draw again.

Full review:
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by ms_nobody
August 15th, 2016, 1:41pm
Rating: 10.0 / 10.0
I feel like I've waited my whole life for a decent sports manga with a female majority cast.
I love the art. I love how the girls are drawn with muscles. I love how the mangaka doesn't hold back on drawing them punch each other.
I also love the main character. She's a terrible human being and deserves to rot in hell but I can't help it. I've waited forever for an unapologetic, morally skewed, disgusting human being like her. I would probably willingly let her beat me up.
I wasn't expecting the mangaka to touch on the sexism part of the mma world but he did and did it in a tasteful way.
Please read this.
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Main Character Unlikable  
by BrotherRoy
June 28th, 2016, 9:10am
Rating: N/A
I tried to enjoy this manga, but the first three chapters in, regardless of how the author will try to make the readers sympathetic to her, Natsuo is unlikable. I enjoy martial arts mangas and I don't necessarily need well-liked characters who are full of happiness and plot induced hard as stone idealism, but to purposefully bully people because you're feeling some kind of way makes you unlikable. She's arrogant, yet she doesn't like to see confidence in other people. And even when we find out why Natsuo is the way she is, I can't still sympathize with her. The attitude Natsuo reveals when in competition and immediately after is not the same attitude she has when she's alone or speaking with people she trusts like her coach or her friend, Kei. If she was that Natsuo all the time she would be a likable character, but because she knows she can bully people and taunt them she will do that. I just couldn't appreciate the story much after she purposefully went and bullied the Karate team after watching Ringi on television, which in her mind meant she was preparing to face Yokuzo a second time. I found that uncalled for. She could've went and used a gym facility to warm herself up or something. Asked to spar or something. No, she went and belittled and bullied them.

Others have mentioned other issues with the manga, although the predominant view is that it's 10/10. I just don't see it. Sure when the official competitions start it gets a little better but the main character's personality doesn't develop.
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Absolutely Love This  
by Miss Kitty
November 9th, 2013, 4:07pm
Rating: 10.0 / 10.0
One of my all times favourites. I love everything about this manga. The art is good, and is very accurate at depicting MMA very well. I also love the realism in the character design, all body types and appearance. Not beautiful petite girls all around. The main character is amazing. Narcissistic and cruel but somehow someone you can sympathize with and cheer for. She is a complex person with a complex past.
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LOVE IT!!!  
by Bleach-No1-Manga
May 27th, 2013, 11:44am
Rating: 10.0 / 10.0
Love the MC Female's personality, Love her Sadism and Love that she is Actually Strong and not your typical "Determination bleh" protagonist that is plagued in Shonen Cliche mangas

I love the action and this manga has lots of them....

This has potential to go even further i believe coz the big events hasn't even started yet
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Very interesting, one of a kind  
by Verix
August 8th, 2012, 2:17am
Rating: 10.0 / 10.0
I love how the lead character is so atypical. She definitely has some kind of reason, maybe some trauma that made her this way, but she needs her satisfaction from crumbling the others' efforts, all the while getting stronger herself. She also doesn't play because she love it, not really, what she really loves is the feelings that sprout out of destroying the strong. There's no "who loves the sport and puts in the most effort wins" cheap moral, it's all about talent and whatever drives you the most, whichever reason it be. Most side characters aren't half as deep and complex as her, but there's plenty to make a good story. The fights are pretty exciting, and for the newbies the martial arts terminology gets explained every now and then. All the ingredients for a pretty darn decent fighting manga. Give it a try.
(I'd rate it around 9, but since I find it underrated I'm giving a 10)

... Last updated on August 8th, 2012, 3:00am
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A unique, refreshing, technique-driven fighting manga  
by sending
May 20th, 2012, 2:26pm
Rating: 10.0 / 10.0
I started reading Teppuu with some amount of trepidation, but it was quickly swept away. This series is a fascinating reversal of the typical shounen/seinen fighter manga. Not only was the main character a girl, but that girl had the personality, history, and goals of what would usually be a cold-blooded antagonist. Natsuo is a true anti-hero, with the sado-masochistic personality to match. I, for one, love her completely. Her perspective is a refreshing change from the norm, and the author illustrates her struggles to fight her omnipresent apathy effectively. She may be a genius, but she also puts insane amounts of effort into her training, something I think is often glossed over in the genius-type antagonist characters of other sports manga. The fact that the "antagonists" of this series are cheerful, friendly, ridiculously gifted in their field, and just have tons of fun doing what they love makes the series even more interesting, as even Natsuo freely admits that her hatred of them stems from jealousy. I simply adore this series and cannot wait for the next update. Teppuu is 100% recommended. Definitely give it a try!

... Last updated on April 12th, 2013, 8:46pm
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Quite dull at the begining,  
by yuno19
May 8th, 2012, 10:32pm
Rating: 8.0 / 10.0
but who would have thought, it's saving a big punch for later. And that big punch made me come here and put a comment; "Awesome manga!"

-- This manga started by establishing the demons as characters. From the one who is ridiculously talented, the one who is ridiculously strong, the one who has willpower as humongous as Seattle, etc etc. But in the middle, you started to be presented by another sheer demons, made you think that the demons at the beginning are not really demons, but just little imps playing strong. But who knows, toward the end of currently scanlated chapter, that new understanding once again rebuked. They are really demons! The author really know how to put the context. And I can only say, "Omg, this is so cool!"
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