Sakaguchi, Iku

The manga centers on Takeshi Hazama, who on the surface is a high school student aiming to be a manga creator, but in truth works as a "Yami Kariudo," a Dark Hunter, an assassin who works on behalf of victims and the bereaved to slay evil. As a Dark Hunter, he wields a stainless steel ruler and pen as his weapons. His constant rival includes fellow Dark Hunter, Kyousuke Garyuu, a Treasure Hunter who is at different times an ally or enemy to Takeshi.

(Source: ANN)

Included one-shot:
Volume 5: Hajime no Ippo!

Yami Kariudo

闇狩人

Yoshida, Akimi

Ash Lynx is a beauty, a genius—and a murderer. Since childhood, he had been in the care of Dino "Papa" Golzine, the mafia boss who turned him into the ruthless killer he is now. At first, Ash was just a pretty face for Golzine's pleasure, but now estranged from him, a 17-year-old Ash runs his own gang with an iron fist.

Eiji Okumura is a young Japanese photographer. Traveling to New York as an assistant, Eiji is set to work on a report about kids living in the streets. There, he meets teenage gang leader Ash and is mesmerized by the boy—who in turn is curious about Eiji's different lifestyle.

But this is the dark underground of New York, and recently a series of murders has surfaced in the city, connected only by the words "Banana Fish." With personal stakes in this mysterious battle, it is up to Ash, Eiji and their allies to discover what exactly "Banana Fish" is, where it came from and how to get rid of it—before the world as they know it descends into chaos.

[Written by MAL Rewrite]

Banana Fish

BANANA FISH

Sonoda, Kenichi

In Chicago, ace courier Bean Bandit rules the road, and operates on both sides of the Law. It doesn't matter if it's legal or not. For the right price, he'll get you or your cargo where it needs to go. When it absolutely, positively, has to be there NOW, Bean Bandit is your man—if you can afford his rates.

Riding Bean

ライディング・ビーン

Taniguchi, Jiro

After dictatorship and civil war the South Amercian country, Nascencio, has an ambitious project to make jungle into farming land, which is commissioned to the Japanese company Seshimo. The company's chief, Yuji Seshimo, gets kidnapped while on an inspection tour into the land. Kenichi, a New York noir-style private detective, goes to find his brother...

Enemigo

エネミーゴ

Saitou, Takao

A series of manga adaptations of Ian Fleming's James Bond novels.

007 Series

007シリーズ

Hanyunyuu, Jun

Kouzou Sanou is a famous mangaka stressed by the end of his weekly manga series isolates himself in a peaceful village, but a editor from his previous magazine wants to try to convince him to try a new series. Somehow they are involved with yakuza and murder cases.

Ooru

青 〈オールー〉

Ozawa, Satoru

Sipeet

サイピート

Saruwatari, Tetsuya

M60-toting Kenji Hado, known as "the Hard," pays his divorce bills by working in the US as a bounty hunter. Masseria, a ruthless and ambitious mafia boss, targets his family, starting with the Hard's father-in-law, a Don in the NY mafia. Hard's aim, while poor when sober, becomes extremely accurate when drunk! 

(Source: Illuminati-Manga)

The Hard

Bounty Hunter

ザ・ハード

Fukuyama, Youji

Taihei's difficult days are just beginning. His girlfriend Natsuko has a sister called Kanoko who falls victim to a a disease that has afflicted women of the family for generations, causing a sudden eruption of hair across her body. When she turns into a wolf and escapes into the woods, Taihei and Natsuko come after her and stumble across an unidentified body. The police claim the wolf is to blame. This begins a frantic chase where the myth of the werewolf and Japanese folklore blend together.

Ookami ga Detekita Hi

オオカミが出てきた日

Yamamoto, Kouji

Watanabe, Tataba

High school student Kiki's peaceful life collapsed entirely with the death of her beloved mother. Driven by rage, Kiki kills the man responsible—but that was merely the beginning of the story! The curtains now open on a blood-soaked, non-stop revenge drama!

(Source: Shogakukan, translated)

Kiki Kill

KIKI KILL

Kusunoki, Kei

Hikage and Maro are close friends since they were little, but one day Maro attacked Hikage's eye and ran away from their ninja village. Hikage wants to know why his friend attacked him and so he escapes from the village to search for Moro.

Youma

妖魔

Nishimori, Hiroyuki

On their first day of class, first-year high school students Takashi Mitsuhashi and Shinji Itou immediately become friends. The duo seems to have quite a bit in common on the surface. Both of them aspire to emerge as delinquents upon entering their new school, and they begin to wear obnoxious haircuts to make them stand out from other teenagers.

However, despite being a feared pair, these two students actually have more differences than similarities. Itou wants to use his fists to protect the weak, earning respect and admiration from his classmates. On the other hand, Mitsuhashi strives to be the strongest in Japan—striking fear in anyone watching him.

Regardless of these dissimilarities, the two are notorious for their remarkable fighting abilities, and their friendship thrives when they come together to throw fists. Whether it be a fight against the good or the bad guys, nobody can win against these two unusual delinquents.

[Written by MAL Rewrite]

12 Manga Like The Edge