Minami, Katsuhisa

When you're the infamous prodigy hitman known only as "Fable," many things come easy. Being a normal person, however, isn't one of them. In fact, being told that he can't kill anyone for a while may just be the hardest job Fable's ever taken...

(Source: Kodansha)

The Fable: The Third Secret

ザ・ファブル The third secret

Yorino, Ari

sonno

A yakuza who was supposed to have died gets reincarnated as a woman who at that very moment is giving birth!? A single mother who's a yakuza on the inside struggles with raising her first child! A thrilling child-rearing comedy of laughter and tears!

(Source: Cygames, translated)

Gokumama: Gokudou Datta Ore ga Mama ni Natta Hanashi

ごくまま～極道だったオレがママになった話～

Shimana, Chika

Janome-san wa Hohoemitai!

Jyanome-san Wants to Smile!

蛇目さんはほほえみたい!

Nukui, Ondori

During the busy lunch hour at "Ma's Southern Southern Cuisine," a delivery order comes in. The person calling turns out to be a police officer who has feelings for Ma, and he seems to be in a desperate situation...?! 

(Source: MANGA Plus)

Ai yo Todoke★Mentanhan!

Delivery of Love★Noodle, Eggs, and Rice!

愛よ届け★メンタンハン!

Kuroto

Veteran assassin Sazé is assigned to train rookie Gigi on the job. However, Gigi, being typical of "kids these days," accuses Sazé of workplace harassment just for giving a little advice...

(Source: MANGA Plus)

Koroshiya Power Harassment OJT

Workplace Bullying: Hitman in Training

殺し屋パワハラOJT

Kabuto, Junichi

Dentor works at a nursing home where a man of legend is rumored to be. But it turns out he's actually a promising young talent making waves in the mafia. Dentor's assignment is to infiltrate the nursing home where the legendary assassin Omega is in hiding, and snatch the 100 million dollar bounty...!

(Source: MANGA Plus)

G.G.G.

Ozaki, Kouta

Born to the boss of a hitman agency, fourth grader Mark Maruoka spent his whole life being groomed into an elite assassin. But when his latest target turns out to be “the legendary assassin,” Mark starts to question his own role in this world of shadows...?!

(Source: MANGA Plus)

Sarashimono

Fool

さらしもの

Kim, Jung-Hyun

Byeon Hogil is a third-class killer in the criminal organization Glory Club, with no way up and only one way out. He pivots into law, but his knack for killing doesn't disappear. Juggling courtrooms and bullets, Hogil starts redefining justice his own way. The law has limits, but Hogil doesn't. When a lawyer has killer skills, justice is served... with a bang!

(Source: Webtoon Entertainment)

The Killer Attorney

죽여주는 변호사

Mudeunggak

Rough and fierce delinquent Jang Tae-ho gets dragged to a countryside house on the first day of summer vacation due to his parents' scheme(?). What awaits him there is none other than the gangster princess Min Ju-ah! Min Ju-ah points a gun at the bewildered Jang Tae-ho and says... "I kidnapped you here to make you my subordinate." A chaotic summer vacation story of delinquent Jang Tae-ho and gangster princess Min Ju-ah!

(Source: Naver, translated)

The Delinquent and the Gangster Heiress

양아치와 조폭아가씨

Aomine, Tsubasa

Shindou, Fuyuki

Hajime, a shy dog groomer with decent looks but little confidence, has never really stood out. One day, Mahiro, a high school girl he has always treated like a younger sister, suggests he try a dating app to find a girlfriend. Taking her advice, Hajime gives it a try—only to fall into a honey trap and suddenly end up saddled with a massive debt. The only path left for him... is to become a producer for some underground idols!?

(Source: Akita Shoten, translated)

Manga Like Black Lagoon: Soujiya Sawyer - Kaitai! Gore Gore Musume