TSUKINOWAGUMA KOROSHIYA

Hisa Masato's debut work: A black bear works for the mafia.

Genre(s): Action, Drama, One Shot, Psychological, Seinen, Tragedy

Updated Time: Oct 20, 2016

GRATEFUL DEAD

N/A

Genre(s): Action, Seinen, Supernatural

Updated Time: Jul 17, 2018

JABBERWOCKY

One of the Japanese promos calls it "Da Vinci Code meets Jurassic Park".
I think that sums it up pretty nicely. It's got dinosaurs, spies, intrigue, action, and conspiracy, all rendered in lovely film noir-esque art with a little fan service cherry on top (Lily!).
And for the slightly geeky, it's got cool (and sometimes obscure) references to art, literature, film, history, science... you name it. Definitely a manga for adults!

Genre(s): Action, Fantasy, Sci-fi, Seinen

Updated Time: Sep 11, 2021

NOBUNAGAN

Shio Ogura is a Japanese high school student, who is visiting Taiwan on a school trip when she is suddenly attacked by monsters. Agents known as "E-Gene Holders" from the government agency DOGOO also arrive, who wield weapons infused with the spirits of historical figures. Shio is revealed to also be an E-Gene Holder when the soul of Oda Nobunaga awakens after she tries to rescue a friend.
from Wikipedia

Genre(s): Action, Historical, Seinen

Updated Time: Nov 02, 2016

AREA 51

From MangaHelpers:

In the American Area 51, there is a society where many varied supernatural creatures--kappa, vampires, aliens, gods and goddesses of various mythologies, mythological figures (like King Arthur), and more-- make their home. In addition to the non-humans, there's also a population of humans, people who can't live in the ordinary world for one reason or another. One of these people is Magoi Tokuko, commonly known as Makkoi, a tough woman who works cases with the help of her kappa associate, her deep knowledge of the area, and her pistol. In her office, which she's built in an unfinished subway station, she takes on all kinds of jobs (recovery of stolen goods, infiltration, etc.) from the many humans and non-humans who come to pay for her help. [tethysdust]

Genre(s): Action, Adventure, Fantasy, Seinen

Updated Time: Jun 17, 2023

Four Billion Nights

A collection of Hisa Masato's previous oneshots. It includes: 1. Four Billion Nights 2. Aru Adauchi no Hanashi 3. Kamaitachi no Hi

Genre(s): Action, Fantasy, Mystery, Oneshot, Sci-fi, Supernatural

Updated Time: Jul 04, 2018

Kamuya Ride

N/A

Genre(s): Action, Fantasy, Historical

Updated Time: May 26, 2022