From Anime Waves:
Nakabaru Taiyo came to Okinawa in the pursuit of beautiful ladies and the blue sea... But while trying to hit on a cute girl, she told him that her mother hated him... And then a wonderful story of scuba diving, beautiful women and adventure begins!

A scientist finds a brain in an alley and implants it into the body of his beloved, Nina. It turns out the brain belonged to a boy, Misumi Yutaka, and he is none too happy to find himself in a female body. What happened to Yutaka's body and why was his brain in the middle of an alley? What will happen to "Nina" when the female parts of "her" body start to have an effect on "his" mind? You'll have to read to find out.

From The Waffle House:

The prequel to JINKI: Extend, which basically tells the story of a 14-year old, robot modelling girl named Tsuzaki Aoba. She encounters a giant JINKI robot type, called the Moribito-2, and ends up fighting against ancient JINKI and an unknown force.

When high-school student Souji Kushiki, an academic achiever and talented athlete from a well-to-do family, returns home from boarding school, he finds that his sisters Harumi, Youko, and Saki have changed. Their strangely clingy behavior borders on the inappropriate and bizarre, yet Souji just brushes off their odd behavior at first.

However, when Souji arrives at school the next day, he learns that, during the summer, one of the students in his class was pushed to his death in front of a subway train. And what's more, two other students were stabbed by an unknown culprit. Are the victims linked, and could Souji's sisters have anything to do with the murders?

From Storm in Heaven:

Mizuki is a girl who wants to run away from her life. As she smiles at everything sad that happens to her, her soul becomes heavier day by day. Her escape door is Adam, an English singer. But is he really real, or is everything they've been through just a dream? Adam sees his dead Japanese girlfriend in Mizuki, but strangely, nobody, apart from a girl who met her at the gates of heaven, can see Mizuki. This is a story that takes place somewhere between dream and reality.

Funeral bells are ringing the day Mikaya moves into a new apartment. Once he arrives, he learns a startling fact; his flat was previously occupied by the dead man, K. Strangely enough, no one ever found K's body...yet all the people who lived in the same apartment complex as him are absolutely convinced of his death. Where is the body, and could it be one of his eccentric neighbours who was responsible for K's death and subsequent disappearance?

Mirai Fukuin is an original doujinshi authored and illustrated by Type-Moon founders Kinoko Nasu and Takashi Takeuchi. A side story of Kara no Kyoukai novel series, it includes two stories and three short manga chapters taking place after the events of the series.Related:- Kara no Kyoukai (http://mangapark.com/search?q=kara-no-kyoukai)

Hayama Akita is also known as a Masterpieces thief : God Hand. But the art pieces he stole are copies painted by his missing mom.

One day he was caught by a black market broker. A mysterious mark appears in his desparation to escape, as does his new ability, "Kannade".

17-year-old high school student Asami Kawakami's friend, Chiharu, has stopped answering her phone and never comes to school anymore. She would rather spend her time playing Portus, an old videogame. There is an urban legend that there is a secret level where a boy appears and asks if you want to go to the other side. If you say yes, you die. When Chiharu cuts her own throat, Asami and the art club teacher, Keigo Sawa, set out to find out the truth behind the legend and Chiharu's suicide.

Asami is a beautiful cop in the Investigative Precint 1! Her dream is to solve a big case! But because of Asami hating Lieutenant Shimoyama's interference Asami's chances are thwarted time and time again. One day, an all-points bulletin stating a discovery of a floating corpse!? Shimoyama claims it's a suicide but Asami does not rule out foul play and starts investigating with her partner, Harada. A front line police story depicting the adventures of a female cop.

There's a serial killer on the loose in Los Angeles and the local authorities need help fast. For some reason the killer has been leaving a string of maddeningly arcane clues at each crime scene. Each of these clues, it seems, is an indecipherable roadmap to the next murder.
Onto the scene comes L, the mysterious super-sleuth. Despite his peculiar working habits - he's never shown his face in public, for example - he's the most decorated detective in the world and has never tackled a cased he hasn't been able to crack.
But this time he needs help.
Enlisting the services of an FBI agent named Naomi Misora, L starts snooping around the City of Angels. It soon becomes apparent that the killing spree is a psychotic riddle designed specifically to engage L in a battle of wits. Stuck in the middle between killer and investigator, it's up to Misora to navigate both the dead bodies and the egos to solve the Los Angeles BB Murder Cases.

Several stories, part of Miyamoto Kano’s "Moony Trilogy" that revolves around men's dormitory in a regional university:

1) Flower That Blooms In His Garden
Story about student who is suffering from leukaemia.

2-4) Frost
Suwa Jun has a casual, convenient arrangement with Assistant Professor Akishima, enjoying perks both in the classroom and in the bedroom -- at least that's what it was supposed to be. Noticing strange changes in the professor's behavior, Jun cannot help but be drawn in further into the professor's life and a darker romance than either had ever anticipated.

5) I Want To Gaze At You
When Akihito takes out his trash, he hardly expects to find a stack of gay porno by the bin, much less to meet the proud ex-owner, Ryouichi. To Ryouichi, however, it seems that Akihito has taken the bait. A game of cat and mouse ensues, leading to some of Miyamoto Kano's steamiest sex scenes!

6) The Reason We're Here
Shinobu meets You-chan, a drug addict who sells himself to get his next fix, and ends up falling in love. But can Shinobu keep You-chan from destroying himself?

7) Bird On The 12th Floor
When Shun discovers Yuuki gathering his courage to jump to his death from the roof, Shun makes a desperate deal with him to buy time to save his life. Shun agrees to follow Yuuki's every command for one week, and if Yuuki still wishes to commit suicide at the end of that week, Shun vows to die alongside him. Over the course of the week that follows, Shun and Yuuki's arrangement develops into a relationship. Will Yuuki still insist on going through with his initial plan to end his life and will he take Shun with him?

From ShoujoMagic:
It happened in the blink of an eye. Rikka's world turned upside down when her school field trip bus flipped and plummeted into a lake. Everyone inside that bus drowned... except for Rikka, but she wasn't saved by anything as simple as luck. When she was released from the hospital, Rikka was then attacked repeatedly in a series of bizarre incidents all involving water... and a sadistic aquatic beauty whose name is -- Rikka!? What does our heroine have that the sadistic Rikka wants back? What was it that saved her from drowning, and who gave it to her and why...?

Ayumu is a guy who falls in love very easily, hence fondly dubbed as an erotomania by his older brother. Strangely, his next person of affection isn’t what his older brother expects.Part of Canna’s volume 13 short project, Cute Japanese Monster.

On the cusp of World War II, Japanese Lieutenant Yuuki created a training academy for spies called “D Agency”. The purpose of the academy was to obtain information on enemy countries to gain the upper hand in warfare. In the pursuit of this valuable knowledge, eight men accept dangerous missions infiltrating enemy countries. What skills do they possess to outwit the obstacles in their way?

SERIES 4: Diamond is Unbreakable
Diamond is Unbreakable follows Josuke Higashikata and his good friend Koichi Hirose as they protect their town from the influx of Stand users. Jotaro Kujo arrives to warn Josuke about the Bow and Arrow a mysterious man is using to bring out a person's Stand abilities, but it is up to Josuke, Koichi and their allies to defeat those who would use their Stand abilities for evil - most notably Yoshikage Kira.

A collection of short stories published in the 40 year anniversary edition of Kodansha's Afternoon magazine, Go-Chan Magazine.

"Find the doll maker, and take the puppet!" That was the cryptic message that was sent to Nimiya when her grandfather passed away. Yet the mission is not as straightforward as it seems. Just who is behind the Shikigami insurgence, and what are they after? And will Nimiya and the electrician be able to stop them before it's too late?