Bungou Stray Dogs Gaiden: Ayatsuji Yukito VS. Kyougoku Natsuhiko tells the story of the "homicide detective" Ayatsuji Yukito and his assistant Mizuki Tsujimura as they try and solve a mysterious murder case at the request of the government. Their search eventually leads them to Yukito's old nemesis and public enemy Kyougoku Natsuhiko.
Spinoff of Bungou Stray Dogs. https://web-ace.jp/youngaceup/contents/1000002/
Not long after Ougai Mori takes the reins of the Port Mafia, his accomplice Osamu Dazai has a dreadful run in with Chuuya Nakahara, a boy known as the Sheep King who is capable of manipulating gravity. But when strange rumors about the mysterious being Arahabaki start spreading throughout Yokohoma, the duo must put aside their differences and get to the bottom of things. Before they achieved infamy as the fearsome pairing Twin Dark, Dazai and Chuuya were just boys. Was their first encounter a harbinger of hope, or an ill omen of things to come...?
The story involves a mystery case of power users around the world suddenly committing suicide one after another, in all cases after a strange fog appears at the scene. At a request from Ango Sakaguchi, the Armed Detective Agency head out to investigate Tatsuhiko Shibusawa, a power user who calls himself "collector," and a man suspected of being tied to the incident.
The story is set after the "Arahabaki Incident," and one year after Chuuya Nakahara joined the Port Mafia. A detective from Europe named Adam appears in front of Chuuya, with the aim of protecting Chuuya from Paul Verlaine, also known as the king of assassins. Paul claims to be Chuuya's old brother, and he vows to murder everyone Chuuya cares about.
Witches, dragons, and reverse London.
This story is about the fierce struggle between law enforcement and those who want to upset the world. In the Cᵗʰ century, the central bureau of the municipality, Graymark, sentence anyone to death, regardless of the severity of the offense in order to reduce the crime rate and population in proportion to the increased life expectancy due to medical advances. This is a conflict between the Central Bureau and the Revolutionary Army trying to overturn this system.
From the authors of "Shin Angyo Onshi" a new manga set in Japan and Korea during the Edo period, a time of great upheaval between the two cultural groups. In ancient times, Japan and Korea would send its criminals to a penal colony called "Kyokudo", situated in the channel between the two nations. There the cannibal Juu was sent for murdering over a thousand warriors while in Edo. Yet for an island meant for criminals, there was but one Korean medic, Han, exiled from Korea for killing and dissecting over a thousand people.
From Fifay.net: Tokyo, 2002. Tatsuaki dares to learn something novel to the most of Japanese: Beijing Opera. One day, he receives a Kouu mask from his master. Just for fun he put it on and is instantly transported back to Beijing, circa 1924! So begins Tatsuaki's adventures in the Beijing Opera House.
From Viz: Buso Renkin is the story of teenager Kazuki Muto, who dies trying to save a girl who was being attacked by an eerie monster. The next morning, however, Kazuki is left wondering whether it was all a dream. Lo and behold, the girl, the monster, and his death are all real! The girl, Tokiko Tsumura, was actually trying to slay the homunculus (a beast that can take the form of humans, but whose main source of food is people), but Kazuki got in her way. To revive Kazuki, Tokiko replaces his heart with a "kakugane," an alchemic device that allows him to summon a lance with which to fight the monsters. It turns out that Tokiko is a member of Renkin Kenshi (Alchemist Soldiers), an organization sworn to protect the world from the diabolical creatures. Soon, Kazuki joins Tokiko in her quest to terminate the sinister being that creates and controls the homunculus. V.10 Extra: Embalming - Dead Body and Bride (Embalming I)
Before successfully being able to commit suicide, Takeshi Hirota, a bullied high school boy is transported to another another world where he is accepted by the orcs due to his appearance.
Of Shaman King fame, here's another series by Hiroyuki Takei about a buddha with the 1,000 arms armor. Sennju, an emissary of the buddha Kannon, appears in the human world to find and protect the reincarnation of the buddha Mirokou. The emissary arrives on Earth just in time to save a young girl from being bullied by some rough looking men. Just who is this girl and will she believe that he's a buddha who was sent by Kannon? * Also included are three oneshots; two of them are called Death Zero and Itako no Anna. • Death Zero - A WWII pilot was shot done and killed, but he still had a promise to keep, that not even death could stop him. • Itako no Anna - Anna is an Itako, a priestess who can call upon spirits, learning the trade with her grandmother. One day, they run into a temple to find the master of the temple quarreling with a sword collector over whether the sword may be removed from the temple or not. And she and her grandmother decide to call upon the original owner of the sword and aid the temple master.