From Viz:
Deep in the heart of 19th Century London, a young nobleman named Cain walks the shadowy cobblestone streets of the aristocratic society in which he was born. Forced to become an Earl upon the untimely death of his father, Cain assumes the role of head of the Hargreaves, a noble family with a dark past. With Riff, his faithful manservant, and Mary Weather, his 10-year-old adopted sister, Cain investigates the mysterious crimes that seem to follow him wherever he goes.

The son of a genius magician, Yoichi Takato has been something of a polymath ever since high school. However, his days are marked by boredom and an inability to open his heart to others. When he happens to join the magic club, he meets with people he thinks he may one day be able to call friends. But then, the curtain rises on a terrifying "murder magic show".

A spin-off story with Hajime Kindaichi’s nemesis from Kindaichi Case Files: “The hellish puppet master,” Yoichi Takato.

From AQUA Scans:

Rozariol, who was looking for a master to serve, meets the daughter of the Dewberry household, Snowbell, and becomes her servant. “You must not tell lies.” This is the only rule that the servants must follow. However, Snowbell often tests her servants on that condition, thus the cruel “judgement” begins.

From Bamboo Garden
Five individuals, 24 years old. Their first memory starts in 1994, and it all revolves around a mysterious crime that occurred... Will they be able to escape the dangers?

From Viz:
Delve into the tortured past of Earl Cain C. Hargreaves, charismatic heir to a wealthy family full of secrets, lies and unthinkable crimes. Follow the young Cain as he attempts to unravel the secrets of his birth, all the while solving each new mystery that comes his way.

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In the Hakushaku Cain Series:

1) Wasurerareta Juliet

Includes 2 oneshots:
i) The Boys Who Stopped Time -
England, year 1918. Rupert enrolls to his new school just a few days after the murder of a maid called Noelle. He's the type that just can't sit still, so when he meets Noelle's sister, he's determined to help her find out who murdered her sister...

ii) Double -
When they were children, Ren helped his friend Emilio start his career as an actor. But when Ren didn't have any news from Emilio for two years, he decided to go to New York to look for his friend...

2) Shounen no Fukasuru Oto

3) Kafka

Includes 1 oneshot: Ellie in Summer Clothes

4) Akai Hitsuji no Kokuin

5) God Child

From Tokyopop:
This is a fantasy adventure which unfolds in worlds beyond human imagination. A city where the world's robbers meet; a casino devoured by evil; a haunted ship with a living anchor; a speeding train run by a Dodo bird; a floating island ruled by a mask; a large sculpture in the sky which waits for a sacrifice; a girl with a tattoo of a famous picture all over her body ... These are just some of the sights encountered by Jing, a thief so accomplished he can steal the stars from the sky.

A five man band of thieves whose specialty is wine travel the world, appearing here and there under the name “Phantom Thief Levain” to save bottles of unparalleled wine from the villains who hoard them!

A brand-new action title from Shu Okimoto and Tadashi Agi, creators of the definitive title in wine manga, “The Drops of God.”

Note: The first 6 chapters of Kaitou le Vin were simultaneously published in Japanese, Chinese and English (as Le Vin, Wine Burglar) on DeNA's Manga Box app. There are 17 chapters total compiled into 2 volumes.

Firiel Dee is a 15-year-old girl who lives with her poor foster parents in the remote mountain highlands of Sera Field. One day, she is invited to go to a ball, only to discover that she might be the heir to the throne. Soon, Firiel and her friends decide to partake in a quest for the truth, unaware of the dangers that await them.

Mamiya Mugen, the mysterious long-haired protangonist, will once again use his detective skills to solve the unusual supernatural mysteries that he encounters. Mamiya is also gifted with the skill of telepathy and can perceive the strong desires of others.
1. Fukuwajutsu (腹話術)
2. Kamen Shounen (仮面少年)[/b]
3. Liar Kyouju no Gogo (ライヤー教授の午後)
4. Yoiyami Toori no Bun (宵闇通りのブン)

Ariyuki is standing in front of his former home which happens to be destroyed by a meteorite. Among the ruins he finds a gem which frees a young girl. The girl claims to be a god and is willing to grant him his dearest wishes.

AF begins his second year of high school, depressed over the mundane nature of his life and his inability to find himself. The strange thing is, whenever he is depressed, AF always starts seeing three strange little things flying around him. No one else sees these oddities, and aside from their occasional presence, his life remains incredibly ordinary…That is until he meets Sane, a girl who suddenly asks him to teach her how to play guitar, and a strange middle aged man that speaks to AF about the difference between reality and dreams. From that day on, AF starts experiencing strangely real dreams, but they are still just dreams…right?

Paris, 2007 Anahë, 23 year old girl, is set for a year to make herself known as a painter. It occupies her free time in the museums of the capital and Metal concerts. During one of her outings, she meets the musicians of Katacombes who initiate the discovery of underground Paris … But for Anahë, something goes wrong in the first installment. A mysterious event occurs in the catacombs and a member of the group disappears … The next day, the fear reigns within the adventurers who do not remember anything, and are forced to note the absence of their companion. Anahë then decides to start looking alone for the missing man …

Somewhere, someplace... in a world where everything stands the same, the two of them lives. This is the beginning of their story.

From Shirayuki Scans

The heart warming story of connections between hearts of those who died and the living. This is a story of the sister & brother named Ash & Dust who manage the BLONDIE Undertaker, a place where the dead might come to live again...and have a second chance with the magical power of Ash.

But in the shadows, a handsome and mysterious stranger is watching her...

Tokumaru Tokuda is a medical student who is taking a leave of absence from school and spending every day lazily. To search for his big brother who went missing after sending an e-mail saying "Help me", Tokumaru ends up going to "Western Tibet". Using the photo that his brother sent as a hint, Tokumaru and two guides, Sonam and Namgyal head toward a certain valley. However, it's a valley that not even the locals go near since it is said that the valley brings disaster on anybody that comes near… The three men embark on their long journey on foot in Western Tibet, the land high above the world.

Note: Ruten no Terma was simultaneously published in Japanese and Chinese on DeNA's Manga Box app and ran for 39 chapters. These were re-compiled in the published volumes to have 19 chapters total. Only the first 21 chapters have been translated into English by DeNA Manga Box (under the title "The Wheel of Life").

From Tapastic:

To every death, there is a reason. Behind these deaths, there are "Architects" who plan and design them. Follow Gunho, a Death Architect, and his group as they design masterpieces...

Haru, a fun, lovable, easygoing guy, has a problem, he nearly burnt his girlfriend to death with his power. Meanwhile, another serial arsonist is on the loose, and there are rumours of strange incidents having occurred before! Could there be more people with unexplained powers? What will happen to the human torch?

An adaptation of the BBC re-imagining of Sir Arthur Conan Doyle's Sherlock Holmes series.
Sherlock, which aired in 2010 (season 1), 2012 (season 2) and 2014 (season 3). Season 4 is currently in the works.

In the series:

Vol.1- Pink Iro no Kenkyuu
(A Study in Pink)

Vol.2 - Shi o Yobu Angou
(The Blind Banker)

Vol.3 - Ōinaru Game
(The Great Game)

From MangaHelpers:
Nearly half the population of Sakurada, a small town near the Pacific Ocean, has some sort of unique power. These powers range from being able to enter the mind of a cat to resetting the world back to a certain point in time in the past. There is a group known as the "Kanrikyoku" that controls and monitors the use of these powers. Asai Kei and Haruki Misora work for their school's club called "Houshi" club, which execute any missions received from the Kanrikyoku. Misora has the ability to reset the world three days. This means that all events and any memory of the past three days that "could have" happened, never happened. Kei has the ability to "remember" the past. Even after Misora uses her powers to reset the world back three days, Kei will retain those three days in his memory. Combining their powers, these two solve missions issued by the Kanrikyoku.

Mahiro thought she was all alone in the world until her long-lost brother, Ren, and his handsome, mysterious friend showed up and turned everything upside down! Competent, determined and dangerous, the two men have vowed to protect the innocent girl from the ruthless Queen Phibula, who is hell-bent on seeing her dead. As Mahiro learns more about her forgotten past, she and her handsome bodyguards must face explosions, assassins, betrayal... and the promise of blossoming romance.