A relationship with secrets and killing in the gangdom! Xu Taiyang thought, except Duan Chao, no one in this world is born to be against him. This bastard can drive him mad in three words, calling him a dog, taking away his friends and his girlfriend-- but no body think Duan Chao is a bad man, on the contrary, they think Duan Chao is a charming person.

From MangaHelpers:
Mikado Shuuji is just an ordinary guy, but he has a very unusual knife that he uses for cooking. It's actually a famous short sword that marks its owner as the head of the ninjas, and now there are hot ninja girls coming after him to take it back. Hinamori Botan is one of those hot ninja girls, but her efforts to attack Shuuji mostly end up inadvertently stripping her. After she concludes that she does not want to steal the sword and kill Shuuji, she ends up deciding to serve him as a ninja instead. Now she must protect him from the other ninja that come to claim his sword and his life.

"When we enter high school, be sure to make me your own." was the promise made to Tetsuo Sugihara by childhood friend Kaede Shiraishi as young children before she moved away. Kaede never left Tetsuo's mind for a second for eight whole years, his dreams finally came true when they both reunited in high school. However his dream is crushed when she started dating his older brother. crushed and broken hearted he decides to take up a shady middle aged man on a job offer in Tokyo's Shimokitazawa district instead of college with his crush and older brother and after graduation sets off for his chance for change in this youth drama that tugs at your heartstrings as it depicts a young man who continues to mature through his many encounters and leave you wondering the questions,What awaits Tetsuo during his journey? Who awaits Tetsuo during his journey? Will he love again?...

A young girl, living in a foreign country until one day becoming orphaned due to war, begins to wander aimlessly in search of her "Land of Peace." Will she ever find it...?

Hikaru, Umi, and Fuu, girls from separate schools, find themselves linked together as they fall through the floor during a field trip to the Tokyo Tower. They land in a place called Cephiro, where their will controls what happens. They meet with Guru Clef and find out that they were summoned to save Princess Emeraude who has been imprisoned by High Priest Zagato. They learn magic and acquire weapons on their quest to save Cephiro from the evils of Zagato.(Source: ANN)

If you've ever had a guy steal your girl through the use of a squid-related judo move, this oneshot will definitely speak to you!

It straddles the line between being comedic and just plain odd. If I had to give it some deep meaning, I'd say it speaks to the futility of life. Sometimes the bad guys just win, and the good guys get embarrassed.

Three delusional high school boys weave an intricate tale as they search for the meaning of life, love, and everything in between.

Even though her body has an unusual ability, Kunimi Riko is still (trying to be) a normal high school girl. One day, a guy suddenly comes to see her. He”s Tachibana Ran, the heir of the world-leading super-millionaire Tachibana family! A high tension romance between Ran, who suddenly proposed, and Riko, who turned him down.Extra:- Jigoku Kokyuu no Hitsuyou (Vol.1)Kiyoharu was trying to nap when a girl kissed him because she thought he was dead. He later learns that Touko, the girl, is always kissing someone in response to not being able to breathe and feeling suffocated.- Fureru Ondo (Vol.2)Kashuu hates being touched because of his past experiences. He will only let Sayuri-sensei, the biology teacher, treat his wounds. To him, Sayuri-sensei's touch is precise and practical without bring up bad memories

From ShoujoMagic:

The new student body president, Kiyomasa Saionji, is more strict about rules and punishments--and poor Rika can't stop breaking the rules. Is Kiyomasa too strict? Is Rika just too clumsy? ...Or are the punishments a sweet temptation?

Includes stories about two different couples:

1) "Hitotsu no Koi no Hajimari" (Beginning of love)
When Tokita, being exhausted and starved from work, is offered some bread by the stranger, Chiba, he feels admiration towards him and wants to repay him for his kindness. That meeting signifies the start of their friendship and maybe something even more.

2-3) "Hitotsu no Koi no Ikisaki"
4-6) "Gohoubi wo Ageyou"
7) "Hitotsu no Koi no Nichijou"

Hoshi no Yakata centers around the employees of a suburban S&M club. The characters are beautiful, the storylines are charged with angst, and the artwork is very explicit.

The stories takes place at Hoshi no Yakata, a humongous Euro-style mansion, and Airenrou, another club located a few hours' drive from Hoshi no Yakata.

Name of the 5 volumes in the series:

1) Hizamazuite Kutsu ni Kiss wo (Kneel Down and Kiss my Boots)
2) Kedamono wa Ori no Naka (A Beast in the Cage)
3) Yokubou no Mitsuryousha (The Poacher of Desire)
4) Toraware Hito no Ikisaki (The Prisoner's Destination)
5) Doreitachi no Jouken (A Slave's Condition)

Ureha's boyfriend proposed to her three months ago, but she hasn't given him an answer yet. While visiting a cosmetics shop, she sees a woman, Sawori, who suddenly makes her remember a lesbian experience from high school. She's not sure that's something she wants to repeat, but will she be able to resist Sawori's advances?

In an alternative world where science and a sprinkle of magic reside together, there exists 'Number 9', a robotic servant for a young lord with an interest in machinery. One day, she visits a magical shoe shop asking for a pair of shoes that can "stop dreams". What could this possibly mean, and how will her relationship with her master end? Devilish Holly: It is a very cute story, well written out. But it feels like it could continue whenever the author wants it to. It is a really good story and I recommened to everyone! ^^

The feeling...not knowing a person is probably not that bad. The one moving in next door Kita is his classmate, Saitou. Until graduation, Saitou didn't seem to even know Kita's name. Thus, Kita tries to avoid him. Without knowing why, he's hiding his hurt heart. A collection of stories showing the pleasure of love by understanding each other and the endurance of pivotal declaration. (taken from back cover) 4. Refrain Reset 5. Double Bed (sequel of Refrain Reset) 6. The Shining Sun and Moon 7. Prism (sequel of The Shining Sun and Moon)

Eiji Matsuda finally managed to go out with Emi and promised to agree on the condition that they can't have sex. After 6 months he decides to break this promise.

A collection of short stories.

A collection of 12 short stories, including:

She, her, her, hers: by Otosaki Tsubaki
Sakuya is shaken up by her parents' divorce and is worried that her relationship won't last forever either. Her lover, whose parents are also divorced, understands her feelings and tries to reassure her.

Endless Narcissus: by Otosaki Tsubaki
The protagonist wants someone who will love her and her alone, so she gets a clone of herself.

Hidden Meaning: by Itou Chika
A writer and an editor who are lovers. The writer keeps basing characters on her lover, and the editor wants her to stop because she's afraid that people at work will find out about their relationship.

Maintenance: by Itou Chika
A woman fantasizes about the mechanic who works next door to her office building. These fantasies involve being the car the mechanic is fixing.

A spin-off from the original story with Kyoko and Mami as the main characters

In a world where humans co-exist with Juujin (literally: "beastmen"), genetically mutated animals that have remarkably human-like features with the exceptions of extremities such as tails and ears, Juujin are often found as laborers in the work force or raised in households as pets. That is until a new kind of Juujin appears-- Evolutions, EVOs for short. These Juujin have special magic-like powers that they are using against the human race.
Peke, one such EVO, has been raised with her master Yamato Yamamoto. Yamato's mother works for the Health Care Center-- the only agency with jurisdiction over the Juujin, and has developed a special collar that can seal the EVOs' powers. Having used this collar to control Peke's own powers from going berserk, Peke must now release this power to fight and capture the rampaging EVOs to save humanity and to win her master's love.

Sakazaki Riko, age 31 and also known as Magic Girl Collie, is lonely. Ever since she was a child, she used her magical powers of being able to turn into an adult to help people and solve cases. It has been decades since she started and Riko is now 31 years old and single. The one magic power she had is now useless as she's already a grown up. Find out what happens to a witch after her prime who goes off to search for someone special.