A small group of people, descended from a particular bloodline, have the ability to negate a sphere of reality and neatly remove it from existence. Continuous use of this power alters the user's appearance until they come to resemble a none-too-pretty alien.

But what does this have to do with an out-of-the-way town in Japan, a group of university students from Tokyo, and a series of mysterious disappearances and deaths?

In a parallel 21st century Japan, an enemy with incredibly advanced technology attacks mainland Japan from Hokkaido, shattering the Japanese Defense Forces and their American allies. Japanese military scientists use what enemy technology their troops can capture to create their own mecha to fight off the enemy's advance.

But what does this have to do with a boy named Yuu, a mechanical genius with motion sickness, and his separation from his younger sister for over 7 years? Why does she suddenly appear after all that time, dressed as a miko and shadowed by a fox, at the temple where Yuu lives with his uncle? Is she who she says she is?

She reappears in his life just as military secrets and his own secret burden of a psychic power shake up his socially estranged life. And then the war advances...

Story 1: After his girlfriend was murdered, Takashi brings the killer, Kouichi, back to his apartment in order to carry out an unprecedented form of "revenge". By treating the man he should hate gently, what does he hope to accomplish?

Story 2: Takashi's doctor and high school best friend Souichi is keeping a hapless amnesiac teenager at his clinic, and Takashi's determined to discover the secret behind Souichi's bond with his patient.

Story 3: Takashi is a host by night and an aspiring fantasy author by day. When he moves in next door to a self-professed narcissist, will something about his life change...for the better?

Story 4: Takashi confesses to Souichi, but is rejected. It's okay, though, because he won't ever stop watching the love of his life...

This is part 2 of Gambling Emperor Legend Zero, picking up a few years after the cliffhanger ending of part 1.

Monster weaves the riveting story of brilliant Dr. Kenzo Tenma, a famous surgeon with a promising career at a leading hospital. Tenma risks his reputation and promising career to save the life of a critically wounded young boy. Unbeknownst to him, this child is destined for a terrible fate.

A string of strange and mysterious murders begin to occur soon afterward, ones that professionally benefit Dr. Tenma, and he emerges as the primary suspect. Conspiracies, serial murders, and a scathing depiction of the underbelly of hospital politics are all masterfully woven together in this compelling manga thriller.

Note: Won the 46th Shogakukan Manga Award in the general category.

Shim LeaYoung is the “zombie boy” of his school. Everyday, his duty is to get beat up by entire student body. Because his expression never changes, people are disgusted of, and avoid him. He is not loved even at home – where he lives with his father’s friend’s family. One day, a real zombie and a couple of people who call themselves “Schwarz* appear, trying to extract the Evil Spirit Jade from him…

The seven teenagers who committed crimes had their body parts related to the crime they committed taken away and was sent to a school with a locked room. To return to their normal lives, they have to continuously take the examination and graduate as the first in class within one week, or else...

One night, senior high-school second-year Nishina Airi is abducted. When she wakes, she is trapped in an uncanny, isolated space with other students from her high school and forced to take part in the “Werewolf Game”. Thus, a death game filled with fear and terror that would pit “Werewolves” and “Villagers” against each other, force them to murder – a game with rules so absolute, defiance is punished by gruesome death – begins.

From MangaHelpers:
Ichijo Kazuya thought that he was murdered, but when he came to, he was back in his high school days. He lived his entire life as a playboy and had had countless sexual encounters with women until that fateful day that he was killed. He realizes that his murderer was his old high school friend Tanaka Masaki who was jealous of Kazuya’s relationships and his built up anger eventually exploded.
Taken back 15 years into his past, it seems that he has been given a second chance at life and given a chance to make different choices. He decides that the way to prevent his eventual demise is to make sure Masaki is more successful with girls and loses his virginity before Kazuya. But fate seems to be steering Kazuya towards the path of his previous life and keeps introducing the same girls he had sexual encounters with.

From MangaHelpers:
One day, Matsui Sakura receives an invitation to a "Revenge Game," and decides to attend. At the location indicated, she ends up locked in a dorm-like building with four of her classmates. It appears that the Revenge Game is being run by a wealthy classmate, Saionji, who was bullied so badly by some of the students that it ruined his life. Now he is taking his revenge, in a brutal game that allows him to have one of his former tormentors killed each morning.
However, Sakura--a lonely, quiet, orphan girl--does not understand why she is there, unless it was due to her inaction in stopping the bullying of others. She's also the only one who received an invitation, while the others were abducted or tricked into attending. What is the final purpose of this game?

The series follows the adventures of Sabu, a young Edo bakufu investigator traveling with the blind master swordsman Ichi. In their travels, they assist the common people in solving mysteries and righting wrongs (usually committed by bandits or corrupt officials). Sabu is engaged to Midori, the daughter of his boss, who works as a police officer for the Tokugawa shogunate.

This series won the 1968 Shogakukan Manga Award.

From Tokyopop:
When you come from a family of exorcists and mediums, you're expected to have certain powers. But despite having a psychic lineage, Kouhei Midou can't predict the future, nor can he see dead people. He's powerless in every sense of the word. However, he does think fast on his feet--and with a little help from his psychic cousin Seiji, he's an amazing crime solver.
The mystery he wants to solve more than anything is his mother's tragic disappearance. But it isn't easy... especially in this world, where nothing is as it seems. Cats talk, blood-sucking vampires roam the earth, and monsters eat guys like Kouhei for breakfast. Can Kouhei survive this chaos long enough to find the mother that he's lost?!

In Fall 1986, Battler Ushiromiya and eleven of his family members are reunited on Rokkenjima for the purpose of discussing how the head of the family's fortune will be divided upon his impending death. When a typhoon hits the island, everyone is trapped and murdered supposedly by the Golden Witch in her efforts to revive herself. When Battler refuses to acknowledge the existence of magic and witches, Beatrice the Golden Witch, appears before him and challenges him to save his family by proving that neither she nor magic exists. To save his loved ones, Battler is forced to observe the events of Rokkenjima again and explain how all the murders occurred without magic or otherwise submit to Beatrice and acknowledge her existence as a witch.

Aida Shizuka is three days from being executed for cruelly murdering his family when a shinigami comes to visit him. It's his little sister Hibiki, who has come to make sure his soul goes to hell! Hibiki has another job on this trip as well, granting the final wish of a girl with heart disease, and she drags her condemned brother along with her. Soon, it becomes apparent that people are not as simple as they may seem, and even Shizuka's guilt is uncertain. Hibiki and Shizuka promise to search together for the truth about their family's death, and they won't let life, death, or trouble in the afterlife get in their way.

Based on the PlayStation 2 game of the same name. A teenager who was orphaned as a young boy returns to the city of his childhood. Shortly after transferring to Gekkoukan High School, he is attacked by Shadows — creatures that feed on the minds of their victims. He soon discovers that he shares a special ability with other students at his new school. From them, he learns of the “Dark Hour,” a hidden time that exists between one day and the next, swarming with Shadows. He joins the Special Extracurricular Execute Sector (SEES), and with his new friends, confronts the threat of the Shadows.

After being kidnapped by the cult Gorgom, Kotaro Minami were submitted to a mutant surgery with the purpose of becoming the candidates for the next Gorgom Devil King. Kotaro escaped and turned against Gorgom as Kamen Rider Black.

A collection of stories:

1-2. Kaine - Shinogu awakens from a coma in a hospital only to find out that his black hair has turned red and long. he looked exactly as his famous rock group vocalist twin brother - Kaine. Kaine was part of a group called Endorphines. Apparently someone tried to kill the two brothers off. However in a car accident Kaine died on the spot while Shinogu was in comatose state. in order to let Endorphines continue, their manager forced Shinogu to take over his brother's place, hoping no one will know the difference. Or will they? Kaine's best friend Die already started to suspect the fake-Kaine. meanwhile, one by one the fans of Endorphins began to commit suicide after listening to their latest CD. Die and 'Kaine' decide to investigate and are determined to find the truth.

3. Magical Mystery Tour - When a normal Japanese high school girl wins an all-expenses-paid trip to LA, it really does seem too good to be true...

4. Tokei Jikake no Orange Bakudan (The Orange Time Bomb) - Takumi and Gai are members of the popular band, Orange. When rumors of Gai going solo start to spread, tension rises. And who’s this strange girl that shows up claiming she wants to marry Takumi?

5. Tokyo Top - A continuation of the 4th chapter: the story of how Gai met his girlfriend, Satsuki.

From Seven Seas:

Alice in the Country of Joker: Circus and Liar’s Game continues the adventures of Alice as she goes deeper down the rabbit hole to the country of Joker.

Alice Liddell has now entered a new realm--the country of Joker--where she is reunited with old friends. Yet new challenges abound, as Alice must unravel the mystery of the Circus and the Prison Realm, and deal with the enigmatic Jokers.

This is the first Complete Works set for Ito's works released in the late 90s.

The first two volumes contain thematically linked but self-contained stories concerning Tomie - a beautiful young woman with the power to seduce and dominate any male, from small boys to elderly men. Later, the series leaves these characters behind and focuses on stand-alone gothic horror pieces.

From myobi:

China, early Song Dynasty.

The setting is an era of absolute corruption, when bribery, torture, and threats were the normal way of doing business in the government. Then comes forth a young, new Official - Houjou - who challenges the corruption. Gifted by the Emperor with three beheading devices, he is charged with bringing justice back to the courts.

Based on the historical figure of Justice Bao (Chinese reading of the name), who was said to be an incorruptible official, this is a light-hearted romp through ancient China as he and his assistants work against the corruption that has become the norm in the Imperial Courts.

For more on the historical person and legends surrounding him, see:
http://en.wikipedia.org/wiki/Bao_Gong