From Bamboo Garden :
Hui-Jin and Young-Ho's parents get married to each other, and they start to live like family when Young-Ho falls in love with Hui-Jin.... Will the family last?

From Osuwari Team:

"In our classroom, everyone has worries behind their smiles. Parents divorcing, complexes, kissing… The main characters in these stories are living with pain or anxiety, but they are still shining brilliantly."

Continuing the story of Shuuji Yukimura, the formidable student council vice-president, and the problematic childhood friend, Ryuuichi Shinonome (Towa's friend).List of Warui Series:Vol 1 Warui Koto Shitai [1-1]Vol 2 Waruiko Demo Ii? [1-2]Vol 3 Kirai ja nai Kedo [2-1]Vol 4 Koi Ja nai Kedo [2-2]--- Warui Koto Bakkashite Gomennasai [1-3 & 2-3]Vol 5 Warui Yatsu Demo Ii [1-4]Vol 6 Mujihi na Otoko [3-1]Vol 7 Warui Koibito ja Dame? [1-5]Vol 8 Kare ja nai kedo [2-4]--- Warui ko Tachi no Bansan [1-6 & 2-5]Vol 9 Mujihi na Anata [3-2]Vol 10 Sunao ja nai Kedo [2-6]Vol 11 Warui Ouji Demo Suki [1-7]Vol 12 Mujihi na Karada [3-3]Vol 13 Shouwaru Ookami ga Koi wo Shita RashiiVol 14 Himitsu ja nai kedo [2-7]Prequel:>Sunao ja nai kedo( http://mangapark.me/search?q=sunao-ja-nai-kedo )

From Echochi:

Blockheads Kasukabe and Misato are always quarreling over everything. But one day, Kasukabe finds himself helping Misato to escape from a bunch of fangirls. Alone in the classroom. Kasukabe starts taunting and teasing his arch enemy. But somehow, things start taking a turn towards a completely unexpected direction…

From Storm in Heaven:

Tamiya, a student whose honesty tends to be so blunt that it gets him in trouble, has fallen in love with Shirasaka, a teacher from his school. He's an excellent teacher, very caring and popular among students, but because of his dark past, there seems no hope for Tamiya to win over his heart. In the past, Shirasaka had a relationship with Iogi, his senior on the track team, and they were both in an accident which was Shirasaka's fault. Iogi became seriously injured and was forced to give up his athletic dreams. Since then Iogi has used Shirasaka's guilt to keep him close. Is there any chance for Shirasaka and Tamiya to be together?

From Stiletto Heels:

While suffering from a broken heart, Sera moves in with her parents in their home in the countryside. Although Sera swore not to "get into a relationship for awhile" she meets Saji, a station attendant, and falls in love once again...?!

Manager Nashizaki Tatsuya of the Pianissimo Club, wants to build the biggest hostess club in all of Japan; a club where men of all ages and nationalities would want to go. And, along with his big club, a huge event will take place, a contest for the number one hostess, with a prize of 100 million yen. Aya, a freshman, doesn't like the idea of being a hostess, but she has to become one, due to a big debt her parents owe. Encouraged by a friend, she reluctantly joins Pianissimo and, so, her life as a hostess begins.

MAL:
The Gokuhi-gumi are a band of space Yakuza. Led by "Genji of the North Star," they seek to go to war with other yakuza factions and generally cause trouble throughout the galaxy.

A disturbing manga inspired by an even more disturbing movie of the same name (aka Suicide Club). As you might expect, they both deal with the theme of suicide. However, the plots of the manga and movie are significantly different, so don't worry about spoilers and such. Finally, I'd just like to point out that the manga isn't for the faint of heart, and the movie even more so.

A short story collection of Jirô Matsumoto's, things get nasty, and wet. Seriously, in each of those stories there's enough body fluid sloshing about to fill a swimming pool.

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.

From Storm in Heaven:

Kyoji is a troubled boy who found peace thanks to his sensei, Tate, and the teachings of kendo. But during a kendo competition, Kyoji sees his master transform into an Inca warrior with eyes full of wrath. The two of them awaken the souls of ancient warriors within them, and start down the road toward repeating the same series of events that occurred in their past lives.

Mio Keisuke is a high-schooler who leads a rather dull, boring life. He can’t keep a girlfriend—because being a kept man’s too much of a hassle, and he can’t bring himself to fall in love and want to please his woman. Then—one day he seeks shelter from a sudden downpour under the awning of an apartment owned by Yugi Kakeru… and suddenly his life isn’t so dull anymore as he finds himself falling for his aloof and yet obviously lonely friend.

Comes with an extra for Kimi Note.
Includes characters from Star-like Words.

Naoya Hanamura, who works at a major manufacturer, hears that his crush and senior colleague, Sai, is engaged! Just when he's wallowing in heartbreak, Naoya's client, esteemed designer Shuji Takase, appears before him, enamored by Naoya's talent. One thing leads to another, and Shuji steals both Naoya's heart and his body. Naoya is then accepted into Shuji's design studio, where he finds himself becoming attracted to the ill-mannered, bossy and egotistical Shuji. But rumor has it his boss isn't the type to fall in love, and he can't seem to close the distance between them......

from Renta!

The manga adaptation based the otome game Diabolik Lovers More Blood, the first fan disc in the Diabolik Lovers series. This anthology consists of a series of oneshots focused on the Sakamaki brothers.

After his mom's death, our protagonist strives for every bit of physical affection that his dad would show. Even as a toddler, his dad never held his hand or stroked his head.

This story, although being published after, is set in the timeline prior to Hanazakari no Niwa.

Also contains stories:

- Flower of the Sky

- Dark Eyes
About a young woman and the man who appears in her life during dangerous times.

Naeko is a girl that dreams of becoming a novelist, until one day, she awakens in a strange world!What zany adventures await our plucky heroine?

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.