From ShoujoMagic:
A series of non-linear and interrelated stories filled with bishies and angst!
Houjou Academy is a private school, isolated from the rest of the world and attended by the heirs of rich and noble bloodlines. At the center of everything is the first son of the Hanabusa family, Kinu. Through direct or indirect involvement, he is responsible for the scars carried by the students of Houjou Academy--he is like their God. The cycle of base desire and higher love begins with the introduction of an unsullied girl named Nanaha, whose denial of Kinu's casual touch causes him to reevaluate his perception of women, and he cannot help but leave a scar on her as well...

From Fateful Encounters:

Four years ago, Prince Lulnavul fell into an eternal sleep due to an unknown curse. The king then made a proclamation: whoever wakes the prince will receive any reward they choose... but up until now, not one has achieved it. Now, Witch Sayla, scorned by the outside for being a witch, attempts this task as the 99th contender, not for the sake of the prince's hand in marriage like the princesses before her, but solely for the king's national treasure, the Sapphire of Illusions. Can a witch, who is hated even in fairy tales, be the heroine of this one? Follow Sayla as she goes to meet this sleeping prince inside his dreams.

Three students find out they all share the same name--Hiiro Takumi. They quickly become friends and make up nick-names for one another. One boy will go by Takumi and the other will go by Hiiro. The girl is called Mametaku, meaning “Small Takumi.” A strong bond is formed between the three, but what happens when the two boys both start to have stronger feelings for Mametaku? Who will she choose, and will their friendship survive?!

From Osuwari Team:

A prostitute's service in the red light district is coming to an end. Will she be able to return to a regular life?

Having been forced to leave the side of passionate Rin three years earlier, Sarasa thinks she has found happiness again in the gentle arms of Akira. But fate plays bittersweet tricks when least expected, and what may have seemed like the past has its ways of catching up.

Akio and Umi live in the same student hostel. While Akio tends to avoid people, Umi is a connoisseur of the one-night stand. Still, with time they begin to seek each other out in order to deal with their pasts.

The story is about how and why a guy goes from a worker at a dead-end job to becoming a boxer.

From Impossibility:

Miharu Tsuji is a 15 year old tomboy who finds out that her best friend likes her. Now, she must deal with the different emotions and find out what she truly feels in this all-so-strange situation.

From TokyoPop:

After having finished a job at Research Colony Mendel, a mysterious mobile suit approaches the colony--likely with hostile intent. When Lowe Gear intercepts in the Red Frame, the pilot opens fire... and thus begins another exciting adventure set in the popular Gundam Seed universe! Mobile Suit Gundam SEED X Astray continues where Gundam Seed Astray R left off!

Hinano, an ordinary girl, is in love with Katsu who dreams of becoming a scriptwriter despite the difficulties of the trade. They enjoy a perfect love until love rivals come to threaten their relationship! Sei, a beautiful boy and compulsive flirt, attempts to seduce Hinano and Juri, an intelligent woman, tries her hand at getting close to Katsu! What will become of the couples love? (By FATE)

From Awakened Memories & Fate

1-3) Love Knife
Afraid of being alienated, Asahi doesn’t say what she really thinks. Sou, who is always true to himself, has Asahi’s admiration. She is about to go to a love hotel with her boyfriend that she doesn’t even like, Youhei, and gets saved by Sou… The admiration for Sou starts turning into love. Even if she turns everyone around her into an enemy, she chooses Sou but…!?

4) Antique Girl

5) Teatime Is At Midnight

From DrMaster:

All he ever hoped for was to be one step closer to becoming a priest, but Masato Kamioda gets more than he bargained for when he suddenly finds himself as the only male student in a pilot program at an all-girls divinity school.

Consists of 4 oneshots:

3) Devil's Baby-Sitter
Nao is saved by Shouji from a group of delinquents. However, Shouji himself is a delinquent and makes Nao his slave. But after a fight in which Shouji was hit in the head, he reverted back to his 7 year old self?!

Chris is a tomboy whose relatives send her away to a boarding school after her father dies. As she grows up in Victorian England, Chris must decide whether to give in to what society expects of her, or to challenge it and follow her own dreams.

From MangaHelpers:
Multiple instances of mysterious mass deaths are erupting all over the city. The only similarity between each mass death is the time in which the victims were found dead. Trainee doctor Sasaki finds himself in the midst of one of these mass death events. He must now fight his way out of a dungeon ruled by a man-eating monster: "Hitokui." As other humans are slaughtered and eaten alive around him, will he be able to escape out of this dungeon and bring an end to these mass murders?

Suzuka got a tarot card reading from her friend Miyabi that she will meet her love. Could that be Konno, the guy in class D who confessed to her a year ago when they were in the same homeroom class? But before Suzuka could realize her feelings, Konno...?!

A cute story about a girl and a trip to frog land.

Collection of oneshots :

1) Summer of Promise
2) Reminiscence

From Perfect Illusions:

"I can't help but fall in love with that guy. But he is a playboy. Then why can't I get my eyes off him? Why is my heart racing wildly?"

When high school year 1 student, Yajima Konomi, fall in love with her classmate, Gonshou, a true love relationship starts. An emotionally-described senseful story of a young girl.

From Chuu Chuu Train:

My class’s boys made some sort of group called O.P.D. (Mew Mew Group) and that stupid idiot “Shou”. Why do I always care about him? Why does he make my heart beat so fast? This sort of emotion is definitely not friendship… probably very special… Then that means I like–?!