The world’s largest luxury ship 'Blue Heaven' saves a wrecked ship out at sea. At the captain’s command, the ship is searched, and 2 male survivors are rescued. On the ship, there are signs of horrible bloodshed. One of the rescued men, of unknown nationality, loses himself among the ship’s passengers and starts randomly slaughtering the patrons and staff. What is his motive?!

From Taciturnity Scans:

Second-year middle school student Ayumu Kurihara changes classes and is seated next to the beautiful but strange Misuzu Tsukishima who dislikes boys. Misuzu can't get close to other people, but after being moved by Ayumu's sweet, honest personality she begins to open up to her little by little. Ayumu too is captivated by the awkwardly delicate Misuzu and the two of them become close.

V.3 (a.k.a. Second Season)
It's Shimizu Kanako's first day at an all-girls high school, and she's a little overwhelmed. Hoping to make new friends, she bumps into the odd and distant Kamei Ao, as well as her first three new friends: Aki, Rikako and Haruna. Of course, not all can be so sweet in the world of girls.

From Liquid Passion

Another take on the little mermai...merman?

A collection of five sci-fi one-shots from the creator of Eat-Man, set in a world where people are still dealing with the repercussions of a war fought with aliens many years ago.

1. Kaminoko (神子)
2. Kowareta Tenshi [Broken Angel](～壊れた　天使～)
3. Kaijin (海人)
4. Tenshi no Yakusoku [Angel's Promise](～天使　の　約束～)
5. Tenshi no Sentaku [Angel's Choice](～天使　の　選択～)

From JShoujo Scans:
After three years Mimi comes back to the island where she had spent her childhood. She is greeted by her childhood friends Yousuke, Sumire and Hikari. Heartbroken in Tokyo, she has now came back to the beautiful island surrounded by the deep blue sea.
But among this four friends, friendship soon turns to love? A blue world spreads before your eyes, an unforgettable story begins.

Kayako Kirishima is almost ready to go off to college but is lonely and unsure of her future. Masami Endo is a girl who has been ostracized and made a social outcast for having an abortion. The two girls meet each other in class one day and become good friends. Gradually Kirishima falls in love with Endo and the relationship becomes more personal.

It has been a year since Fujimaru Takagi disappeared and now he has appeared once again, as a terrorist.

Two years after the end of Bloody Monday, a new threat emerges intent on destroying Japan. But what will happen now that "Falcon" has since disappeared? Who will face the deadly "Shooter of the Magic Bullet?" Tune in to Bloody Monday Second Season and find out!

A virus deal clinched in Russia on the Christmas eve. Purpose: unknown. Two clues: a mysterious lady "Maya," who is one of the gangsters, and "Bloody Monday," the keyword for the project.

Then an incident happened in far-distant city of Tokyo. Fujimaru Takagi, a second year student at Mishiro Gakuin high school, is commissioned to find out the truth by the Public Security Intelligence Agency, for his great ability as a super hacker. Now, Maya approaches Fujimaru as his high school teacher...

12 members of the Fujimigahara Girls' Academy's Naginata club arrive at a remote island belonging to the club president's family. Legend has it that the remote island had long ago been the hideout of a group of extremely cruel bandits, and that priceless treasures - the fruits of their plunders - are still hidden somewhere on the island.

All is well until their club adviser and two members are brutally murdered. Thereby the curtain rises on the surviving girls' life-threatening battle with a bizarre masked killer...

Onitsuka Miaki, freshman from Fujimigahara Girls' Academy Naginata club, are going to remote island that owned by her captain, Igasaki Kotone, along with 11 members to do a training camp. Legends say that remote island is a place where the worst bandits lives and have national treasure beneath the island. Everything still normal before one of their member got killed. Their live-threatening experience begins now. From Baka-Updates: 12 members of the Fujimigahara Girls' Academy's Naginata club arrive at a remote island belonging to the club president's family. Legend has it that the remote island had long ago been the hideout of a group of extremely cruel bandits, and that priceless treasures - the fruits of their plunders - are still hidden somewhere on the island. All is well until their club adviser and two members are brutally murdered. Thereby the curtain rises on the surviving girls' life-threatening battle with a bizarre masked killer...

When Shouta finally finds a clue to his missing brother’s disappearance, he mysteriously wakes up in a room he’s never seen before. The events of this room are broadcast online, and the only link with the outside is voice chat with the viewers of the broadcast.

In the midst of this extreme environment, a battle royale style murder game begins!

Half angels: Individuals cursed because of their impure lineage. Tsukimiya is a Vampire Half Angel, and with her companion-of-convenience Hinata, with whom she shares a strained relationship at best, and an antagonistic one at worst, are on a search for the "God's Book of Prophecy". The book harbors immense power, and is supposedly the only thing capable of removing the half-blood curse that Tsukimiya and Hinata share. The problem is that nobody knows if the book's power is enough to save two people, and neither is willing to share with the other. (Taken from http://thevagrants.org )

Kisaragi Saya is a happy, small-town schoolgirl who spends peaceful days with her friends. She mostly hangs out with her friend Yuka, the twins Nono and Nene, and the class rep, who seems to have a crush on her. Saya is also intrigued with a mysterious loner named Tokizane, who always comes to school late. She lives at home with her widowed father, and often eats at the neighboring cafe 'Guimauve,' which is run by the excellent chef and family friend Fumito. Her life may seem very tranquil and happy from the outside, but Saya also secretly wields a mystical sword to defend the town from the 'Old Ones,' monsters who eat people. Lately, Saya is beginning to think that there's a lot more to the situation with the Old Ones than she knows...

Noda Haruko has hatched a plot to get tasty lunches; she's put a love letter in a paper airplane and tossed it out into the world. By chance, it ends up in the hands of a lonely boy named Katou Seiji. Haruko confesses her "love" for him, and her hope that he'll become her husband and make her delicious lunches. Surprisingly, Seiji agrees, and becomes her boyfriend-chef. Seiji allows himself to be swept away by her childish enthusiasm, but he keeps trying to find ways to make their relationship more 'real'-- by holding hands, kissing, or simply being alone together. Haruko and Seiji navigate their unusual relationship among their friends and classmates, who all have their share of comedic troubles!

This is the tale of two members of a Beatles cover band who find themselves transported back in time to 1961 – to a time before anyone had ever heard of the Beatles – and decide to take the mantle of the world’s greatest rock band for themselves!

1) Anata no Tame no Houkenshitsu
"The Infirmary is for your Sake!"

2) Tanoshii Tsuuhan Seikatsu
"A Fun Mail-Order Life"

3) Tsukushi Jouzu? "Can You Handle This Love?"

4) Ani to Otouto no Reijiten to Souiten
"The Similarities and Differences Between Older and Younger Brother"

5) Sagashi "Sought-After Things"

6) Shikaeshi Keikaku "Project Revenge"

7) Kimi to Boku no Toku Touseki
"Your and my Special Seat"

8) Boku to Sensei to Megane
"Teacher, Glasses, and I"

9) Tadashii Megane no Katsuyouhou
"The Method of Using the Right Glasses"

10) Atogaki (Afterward)

Well, meet Nekoyanagi Kennosuke, a mysterious man who claims to make his living as a miraiya - one who "deals with the future”

Just when Yamamura Fuuta is looking forward to his last summer vacation as a grade-schooler, the self-proclaimed miraiya barges into his life and turns what should have been an idyllic vacation into a series of events shrouded in mystery and filled with spine-tingling encounters. Strange things begin to surface all around the skeptical and unwilling Fuuta.

This is a manga adaptation of Hayamine Kaoru’s novel of the same name. Squeal, gasp, cringe, tremble, but don’t forget to peek between your fingers from time to time as mangaka Takemoto Itoe adroitly transports you to the quiet, fictitious, rural town of Kamikushichou, where the woods are brimming with life in the vibrant Japanese summer.

Yuuki Kimino is a very boyish-girl who saves girlish-boy (and crossdresser) Izumi Junichirou from a train molester. Jealous of his "girl-power", Jun-chan agrees to coach Yuuki on being more girly in hopes that she too can be called cute. However, despite being a girl, acting and dressing like one might be a little tougher than she'd think.