Delinquent Manga
Manga
Every manga that focuses on the delinquent life or similar (bosozoku also included). Note: Mangas that contains delinquents but aren't about delinquents won't be included, such as Slam Dunk, Yu Yu Hakusho and Beelzebub. I'll order by the ones I consider to be the most important to the genre. This is not a definitive list, I can and probably will be forgetting some mangas. Also, I won't put every single Crows/Worst side-story (because there is more than 15 so far).
Not including the old-fashioned bandit/proto-delinquent mangas such as Otoko Ippiki Gaki Daishou (Motomiya Hiroshi has several mangas like that), Gakuran Hachinegumi, Banchou Wakusei and Yuuyake Banchou.
If you haven't read any of these yet, I recommend Kiku and Bakuon Rettou as starters.
Some mangas are not available to read, but I put here hoping someone who reads japanese gets interested enough to start a project translanting the manga.
Not including the old-fashioned bandit/proto-delinquent mangas such as Otoko Ippiki Gaki Daishou (Motomiya Hiroshi has several mangas like that), Gakuran Hachinegumi, Banchou Wakusei and Yuuyake Banchou.
If you haven't read any of these yet, I recommend Kiku and Bakuon Rettou as starters.
Some mangas are not available to read, but I put here hoping someone who reads japanese gets interested enough to start a project translanting the manga.

Manga, 48 vol, 1984
Me:-
Author:7
Literally the father of the Delinquent Manga, the one who brought lights to the delinquents in this media. It's more focused on comedy.

Manga, 26 vol, 1990
Me:-
Author:9
The true example of pretty much everything a delinquent manga will (or wish) be about: comradery despite fights. Well-known for its memorable characters.
Rokudenashi Blues
Good-For-Nothing Blues

Manga, 42 vol, 1988
Me:-
Author:10
The delinquent manga that was successful on Weekly Shonen Jump. Really focuses on fights between schools. Well-known for its memorable antagonists and school war arcs.

Manga, 22 vol, 1988
Me:-
Author:10
A classic delinquent manga, one of the most known of its time, a seinen that was very important to the tradition of delinquent mangas. It teaches what it really means to be in a gang. Memorable cast. Pure action.

Manga, 38 vol, 1988
Me:-
Author:8
One of the most known delinquent manga and probably the funniest of all time. Focused on comedy.

Manga, 16 vol, 1982
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Author:-
Doesn't have scans but it is very important to the delinquent manga genre, it could be considered the 2nd father alongside with Be-Bop. The OVAs are available.

Manga, 18 vol, 2002
Me:-
Author:9
The author was a bosozoku during his youth. Unique artstyle. Story focused on the tragic aspects of a delinquent life. Centered on the reality of the bosozoku subculture as a whole.
Shonan Junai Gumi!
GTO: The Early Years

Manga, 31 vol, 1990
Me:-
Author:7
The prequel of GTO. Comedy + action.

Manga, 33 vol, 2001
Me:-
Author:9
The sequel of Crows. Takes place at the same school, but with a different protagonist.

Manga, 24 vol, 1998
Me:-
Author:10
A delinquent and sports manga. The first three volumes are focused on the delinquents before the team being made, after this, is entirely focused on the baseball. But since the ENTIRE cast is made of delinquents and they DO delinquent things, will be on the list.

Manga, 28 vol, 1995
Me:-
Author:-
The other work from Shounan Bakusouzoku author. Doesn't have scanlations but it's very important to the bosozoku subgenre, nearly every Delinquent manga author have read it. Hiroshi Takahashi, the author of Crows, recommends it.

Manga, 43 vol, 2007
Me:-
Author:8
Focuses on gang and school wars. Very Crows-like, following the sense of a manga engaged on the comradery of the fights. Just beating some asses with the crew.
Osu!! Karate-bu
Osu! Karate Club

Manga, 43 vol, 1985
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Author:-
School-fighting delinquent manga. It's also a comedy that relies heavily on visual gags such as the expression of the characters and some absurd moments. A classic from the eighties.

Manga, 8 vol, 1999
Me:-
Author:8
A more mature work focused on the afterschool yankee life. From the author of Crows.
Sakigake!! Cromartie Koukou
Cromartie High School

Manga, 17 vol, 2000
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Author:-
Comedy delinquent manga.

Manga, 1 vol, 1993
Me:-
Author:7
One-shot by the author of Crows, If you have never read anything from the genre, here is a great starter

Manga, 33 vol, 1992
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Author:-
Another delinquent manga from Weekly Shonen Jump!

Manga, 28 vol, 1986
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Author:-
Another important bosozoku manga. It looks a lot like Badboys.

Manga, 19 vol, 2009
Me:-
Author:7
Comedy-focused. It takes forms of various mangas such as RokuBlues (in visual gags), Shonan Junai Gumi (in the style of writing antagonists), KKOW (for some comedic parts). The whole narrative is a school war, using Crows as a reference to create its own freshman tournament.

Manga, 32 vol, 1985
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Author:-
Doesn't have scanlation but it is a very important manga to the bosozoku subgenre. Check out "J Monogatari" from this author.

Manga, 27 vol, 1991
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Author:-
Another bosozoku manga that we don't have a translation for.

Manga, 19 vol, 1988
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Author:-
School-fighting manga about a silent yet strong protagonist. From the author of "Beck". No scans till this day.

Manga, 14 vol, 2007
Me:-
Author:7
PURE COMEDY. A manga about a delinquent manga reader trying to be a delinquent. It doesn't take itself seriously but provide us with some cool fighting moments, in a Crows way. The author was Hiroshi Takahashi's assistant on Crows and worked with him in many other mangas, which is why the two of them have a similar artstyle.
Tokyo卍Revengers
Tokyo Revengers

Manga, 31 vol, 2017
Me:-
Author:4
Current delinquent manga, everyone knows about, pretty much references every most known manga on this list.

Manga, 18 vol, 2005
Me:-
Author:6
Currently being translated, a fun trip about a delinquent trying not to be violent on his new school.

Manhwa, 12 vol, 2000
Me:-
Author:6
A Manhwa that celebrates various aspects of the delinquent tradition, plus it does a direct reference to Crows.

Manga, 27 vol, 2008
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Author:-
Very OUT-Like delinquent manga. Sadly, we don't have any scans of it.
Worst Gaiden: Zetton-sensei
Worst Gaiden: Mr. Zetton

Manga, ? vol, 2020
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Author:-
Sequel of WORST.

Manga, 9 vol, 1999
Me:-
Author:6
From the same author of Hareluya, also published on Weekly Shonen Jump.