Genre - Mystery

A tragic young girl whose mother died giving birth to her... A wicked stepmother and three brothers with whom she shares no blood ties... Murderous intent born from avarice and twisted emotions. Secrets woven with betrayal, terror, deceit, love, death and vengeance... All buried deep within Ayeshah's Forest, shrouded in darkness.

From Shoujo Manga Maniac: Himeno Ruri is Vice President of the School Council at Seiou Academy! Recently, at a council meeting, a strange matter has come up: P, the mysterious thief for hire. Who is he, and why does he only steal particular items? Included in this manga is a oneshot called Baby Its You: Because of her beauty and status as a school idol, Akami is somewhat forced to take part in a school play. Only problem Akami has is that, the role she is suppose to do is a male role and she is not experienced in acting at ALL. Also contains the one shot story Baby its You.

Baccano is Italian for noise, but Narita translates it as "stupid commotion". Each of the stories in the series involves several unrelated plots intersecting and crossing each other as events spiral farther and farther out of control. Immortal alchemists, mafia operated speakeasies, and many other elements of pulp fiction mashed together for a world straight out of the movies. (Wiki)

Meguru is an ordinary schoolgirl on a school trip. They stop to take a break and she is determined to confess her feelings to the boy she likes, Yashiro. When they get back on the bus, however, a strange man grabs her and says that he’s bus-jacking them. He shoots Meguru for putting up a fight and she thinks, fading into oblivion, “I wish I could go back in time”. The next thing she knows, she has woken up in her bed at home and quickly finds out that it’s the day before! What in the world? [From Twisted Curiosity]

Bakemonogatari centers on Koyomi Araragi, a third year high school student who is almost human again after briefly becoming a vampire. One day, a classmate named Hitagi Senj?gahara, who infamously never talks to anyone, falls down the stairs into Koyomi

Four people who used to attend the same high-school together are suddenly knocked unconscious and kidnapped. When they regain their senses, they find themselves trapped within a container box. A mysterious voice then commands them to "Repent your past sins if you wish to escape with your lives"...

A mystery/action plot: in the 13 hours 13 children spent in space, what had happened?? Not enough of the series has been released to describe it properly. It starts off 8 years after the spaceship incident, centered around one of the 13 children named Bono U. Meyer. He has an IQ of 240 and it seems people who are close to him have [coincidentally, perhaps?] been driven clinically insane. What is going on?

B.A.D. is: Cruel and painful, Ugly and beautiful, A mysterious fantasy. Will you love her?

Biblia Koshodou no Jiken Techou is a mystery series where Shinokawa Shioriko, a young owner of a bookstore in Kamakura, unravels mysteries of ancient books that are taken there. The story begins with a young man named Daisuke, who grew up practically without reading books due to a "phobia", bringing the complete (and autographed) works of Natsume Soseki, Japanese writer of the Meiji era, inherited from his grandmother, to the mysterious bookstore. Will the shy and introvert Shioriko solve the mystery of the books?

Billy Bat is a comic-in-a-comic and the real protagonist is a Japanese-American artist named Kevin Yamagata who draws Billy Bat for Marble Comics. Shortly after they transition to the artist in his studio as two actual detectives, who look like Laurel and Hardy in Dick Tracy era suits and trench coats, knock on the door and appropriate Kevin\'s room for the purpose of conducting surveillance on a room in an adjacent building. One of the detectives, the skinny “Laurel”, sees Kevin\'s work and it turns out he\'s a Billy Bat fan. The other chubby "Hardy" detective picks up a page and says that the characters look familiar and accuses Kevin of translating an old Jap comic. As Hardy remembers the comic he thinks Kevin is ripping off, the story jumps off to 1949 Tokyo.

The story of Hirano's new manga centers around a handsome ophthalmologist who investigates a murder in Tokyo in the first half of the 20th century. (Source: ANN)

From Baka-Tsuki (edited by asdf scans): In near future, mankind has been defeated by the viral parasites named "Gastrea." They have been exiled into a small territory and live in despair, side by side with terror. In this world trapped in darkness— Rentaro, a boy living near Tokyo and a member of the "Civil Security"—an organization specializing in fighting against the Gastrea—is used to accomplishing dangerous tasks. His partner is Enju, a precocious young girl. They fight using their peculiar powers until one day, they receive a special assignment from the government. This top secret mission is to prevent the destruction of Tokyo... Set in a near future, this thrilling heroic-action story... starts now!

Kisaragi Akira a police officer investigating a murder case that remind him with his past. The memory that he forced himself to forget it. And the past that has been buried in the deepest of his heart. The clock that was once stopped has started ticking again.

Three strangers ally with each other to survive a Battle Royale style game of death on a deserted island against other contenders. A lot of contestants have amnesia and each person has a life sustaining bracelet which heals wounds over time.

Strangers ally with each other to survive a Battle Royale style game of death on a deserted island against other contenders. A lot of contestants have amnesia and each person has a life sustaining bracelet which heals wounds over time.