Since according to wikipedia

Kotaro Makaritoru is a manga by Tatsuya Hiruta that runs in Kodansha's Shounen Magazine. It is a boys' manga that revolves around fighting and fanservice. The early chapters feature slapstick and toilet humor, but as the series progresses the story arcs become more serious, with characters even dying in some cases , should it be given be markd as mature in the genre section.

Characters dying alone does not mean it's mature so based on that fact alone no. Mature usually has something too graphic for people under 18. But I haven't read this manga so maybe someone else can answer more definitely 🙂

By your definition of mature Naruto should be tagged mature.

ps. I've read what has been scanlated and guess what, not mature.

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I maent because it also

revolves around fanservice .

revolves around fanservice = ecchi...
And even naruto has some fan service...
Oh I didn't read the manga so I wouldn't know... but to get a mature label, it'd need more than some fan service and a couple of guys dieing without a huge pool of blood and gruesome details.

Point. But still Naruto deos NOT revlove around it.

Quote from animalia

Point. But still Naruto deos NOT revlove around it.

There are tons of manga that revolves around ecchi and are NOT mature. For example Ichigo 100% -that by the way, is far, but very far away to be even slighty mature-

People must learn that you cannot classify manga by a non-japanese standand (like a western one, which seems to be this case). If you think that if a manga has a character dying in it automatically needs a "mature" label you still need to read much more manga.

And Stealth, the term "fan-service" is not synonim of ecchi. This term has a more broad meaning:
(From ANN's Lexicon)

Quote from "ANN"

Fan service
Fan service is the act of adding something with no direct relevance to the story or character development into an anime (or manga) for the purpose of pleasing fans.

While it's true that ecchi is the most common form of fan-service you must not forget that and any other scenes that have no relevance in the story but to cause pleasure to the reader are also forms of fan-service (Like the large mecha transformation sequencies, the fortituous and funny mascots (Like Clamp's Mokona) or the detailed information about some determinated product [Like Bartender]).

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Woah, somebody even voted for it?
Mostly I'd say it aint mature for it
is involved with a lot of stuff that
fulfill the interest zone of a hormone lump.

Quote from NeoFireHawk

Quote from animalia

Point. But still Naruto deos NOT revlove around it.

There are tons of manga that revolves around ecchi and are NOT mature. For example Ichigo 100% -that by the way, is far, but very far away to be even slighty mature-

People must learn that you cannot classify manga by a non-japanese standand (like a western one, which seems to be this case). If you think that if a manga has a character dying in it automatically needs a "mature" label you still need to read much more manga.

And Stealth, the term "fan-service" is not synonim of ecchi. This term has a more broad meaning:
(From ANN's Lexicon)

Quote from "ANN"

[u]Fan service[/u]
Fan service is the act of adding something with no direct relevance to the story or character development into an anime (or manga) for the purpose of pleasing fans.

While it's true that ecchi is the most common form of fan-service you must not forget that and any other scenes that have no relevance in the story but to cause pleasure to the reader are also forms of fan-service (Like the large mecha transformation sequencies, the fortituous and funny mascots (Like Clamp's Mokona) or the detailed information about some determinated product [Like Bartender]).

It's funny that you bring up Ichigo 100% since if I'm not mistaken the English release of it has a mature content warning on the front.

[color=green]BELIEVE[/color]

Quote from TheSilentDeath

It's funny that you bring up Ichigo 100% since if I'm not mistaken the English release of it has a mature content warning on the front.

That is something that has always amazed me about VIZ. They put a "mature label" in "panty shot" mangas like Ichigo 100% and I''s but they don't do so in mangas that feature graphic violence like Crying Freeman.
And that's nothing new: As far as I remember, Pokemon an Xenon have had re-drawn or censored panels since VIZ considered them "too sexy" and "risqué" to be put in the American market (Also I''s, even though It had the "mature label" in the cover so is very likely that they do the same with Ichigo).
Seriosly, why is completely okay in the american market to despict graphic scenes of violence in mainstream shows (like people's heads and arms getting chopped off) but is completely unnaceptable and controversial to show a panty shot 😕
(Thank God that in this site we don't classify manga under US standards, because otherwise the majority of them would have a "mature" label in their description.)

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Quote from NeoFireHawk

Seriosly, why is completely okay in the american market to despict graphic scenes of violence in mainstream shows (like people's heads and arms getting chopped off) but is completely unnaceptable and controversial to show a panty shot 😕

Err, probably because the US is pretty screwed up in a lot of ways? 😔

I don't get it either, graphic violence is "acceptable" but for goodness sake don't show a bare boobie or a panty shot. 🙄

"[English] not only borrows words from other languages; it has on occasion chased other languages down dark alley-ways, clubbed them unconscious and rifled their pockets for new vocabulary."
-James Nicoll, can.general, March 21, 1992