From Eclipse Scans and Evil Flowers:

Hyobi is a famous teen star on TV who lived her whole life as her mama’s doll. Suddenly, Hyobi’s mother decides to send her back to high school on a whim. Hyobi’s kinda lost in all this and she doesn’t have a single friend at school. Then she meets this girl name Soyule, an outcast of the class, and her childhood friend Chanbi. Now, Hyobi feels drawn to Soyule and Chanbi for they don’t know who Hyobi is outside the school…

From Chibi Manga:

Let's get into a time machine and return to that time.
Where it was always fun and you were always laughing, to that time...
"I only have three more months to live"
Yui who just transferred to a new school in the countryside becomes Ryo's classmate. Yui who is suffering from an illness has a "wish" that she can't tell anyone, but Ryo wants to grant her that wish but…
After death, reality hits Ryo and Yui.
This is the story of the eternal promise that was made by the two of them.

From Awakened Memories: The new school Lilia has just transferred to has a lot of people with suspicious abilities. There are vampires with fangs and the snow woman's son. And then it turns out that Lilia herself is a demon who sucks the life out of men by kissing them!?

From Midnight Scans:

The high-school second grader Nao secretly likes Rin, who is in the same basketball club. She didn't want to destroy the "friend" relation, and couldn't convey her feelings; but, one day, Rin falls in love at first sight?! Moreover, the person is a beautiful senior, Michiyo. And a junior, Kouta, is approaching Nao--?!

From GOoC:
Data is a kind of Magical Boy series manga by Tachibana Kaimu. The two main characters, Sakura and Yuki, are on quests to gather stones with magical powers. In doing so they are also hoping to uncover the mystery as to why they both seem to have lost their memory. A lot of new characters who are also "hosts" for the stones join in the fun as the story progresses.

From Yen Press:
Ten years ago, the mysterious Hell's Gate suddenly materialized in the middle of Tokyo, and the stars of the night sky were obscured in darkness. In their place, new stars emerged, each corresponding to an individual endowed with supernatural abilities. Devoid of emotion and conscience, these powerful killers have come to be known as Contractors.
But most people know nothing of the Contractors in their midst, and high-schooler Kana Shinoh is no exception. Still struggling to pick up the pieces after her father's death last year, Kana has never troubled herself with the rumors about Hell's Gate. That is, until she spots her father in the street one day. Determined to prove her father is still alive, Kana begins her search, but her mission is attracting some rather dangerous attention. Fortunately, she is rescued from the clutches of death by Hei, the most wanted Contractor in Tokyo. Though he is unsympathetic to her situation, Hei agrees to protect her as she searches for her father. But just how much should she trust the Contractor known as the Black Reaper?

Delivery consists of a series of stories which paint a bleak and realistic picture of the women in the water trade, i.e, prostitution. Something for more mature readers with a dash of tragedy thrown in.

Story 1: Lisa
Risa, Karen and Mikan are call girls who get paid for satisfying their customers' carnal desires. They have their own reasons for doing this job. Will they be able to lead normal lives and find the simple happiness they seek someday?

Story 2: Mahiru
Since her parents' divorce, Mahiru has stopped believing in 'true love'. For her, 'love' is just a tool to earn money. She engages in compensated dating for income. Will her views about love change when she meets her classmate from elementary school after a long time?

Story 3: The End of Our Path
Miyu and Katsuki are a happy couple but they are soon going to be separated since Katsuki will be transferring to a university in the city after graduation. Miyu wants to remain together with Katsuki and so resolves to study hard to pass the entrance exam to an University in the city. But Katsuki seems to be drifting away from her...

Story 4: Yuiko
Yuiko eloped with Motoki and married him when they were not even twenty. Motoki is irresponsible and lazy. He spends all day playing video games and makes excuses for not getting a job while Yuiko juggles several part-time jobs to make ends meet. When Yuiko discovers that they are neck-deep in debt, she decides to take the high-paying job of a call girl. Will she face heavy consequences for her choice?

Story 5: Yuu
Yuu wants a life of luxury. She takes up the job of a sex-worker to earn enough allowances for buying designer dresses and branded accessories. There are times when she feels inferior and guilty but she brushes off these feelings by looking down on her parents' middle-class lifestyle. What happens when her parents find out the nature of her job?

Story 6: Before Daybreak
Touno and Saki are best friends. They maintain regular contact even after Saki transfers to another city. But all of a sudden, Touno starts receiving strange messages from Saki. Worried for her friend, Touno visits Saki and finds her caught up in a....

From Esthétique:

A teacher's pet and a model student, Young-Won Lee, at this important time right before the college entrance exam, feels her heart beating faster toward a delinquent... When she can't get a reasonable answer from books, she follows the philosophy that after being lovers for 3 months, the love hormone that confuses the lover disappears. Thus, she decides to show her interest to the delinquent-!! What did you say? You hate nerds like me? Just wait, Haru Kang! I'll become a hot, flashy babe and make you fall for me!

Nan Hui was sent off to the city to live with her mother and her nasty grandmother when she was caught smoking at her country school again. There she rescued the drunk and ungrateful, Gong Myeong from the beatings of five boys. Angry that he did not appreciate her help, she stomped on his arm and ran off…not expecting to meet him again.

Gong Myeong devised a plan with Nan Hui after being heartbroken over losing a girl he loves to his half-brother, Baek Jae Ha.

"We're not going to really love each other. We'll be a contract couple to get what we both want.”
The handsome bad boy, Cha Gong Myeong & bad girl, Lee Nan Hui are declared a couple of horror!

What will happen when Nan Hui's best friend, who is in love with her, comes to Seoul? Things get even more complicated when Gong Myeong's half-brother falls for Nan Hui.

Can this bad prince give this bad Cinderella her glass slipper? Will love blossom between these two bad personalities?

Delilah doesn't have it easy as a new pupil of an American Highschool. Because of her beauty, the playboy of the school Josh becomes aware of her. With Josh trying everything to get her, Delilah evokes the scorn of the most popular girl in school Jessica, who has her eye on Josh. As if that doesn't suffice, Delilah has a dark secret, that attracts the self-declared demon hunters aka Josh's best friends attention. Is a normal schoollife even possible like this?

A collection of romance oneshots:

Delicate ni Kiss Shite
Sachi loves her older boyfriend a lot but after three months of going out she grows more and more insecure. They meet up and go on dates, and while she does enjoy his company, why is it that he always seems to keep his distance?

I Want to Take You Away
Home tutor Anzu doesn't have complete confidence in love and relationships. However, her student Kazuki is earnestly attracted to her. When her boyfriend starts to neglect her and she asks Kazuki to be his substitute for a date, what will happen between them...?

Aquarius Lover
"I've never believed that there were such things as love at first sight until that moment..."
High-school student Kaori has fallen in love with the mysterious black-haired boy who rescued her during a school trip. She is overjoyed to spot him on their school ground but little does she know that there are two students with his face...

Seesaw Game
A poor college student is faced with a sharp-tongued high-school girl as he sweeps the floor in front of a cheesy movie poster. Despite their clashing personalities he soon finds himself sitting next to her watching said cheesy romance movie. What will happen to them next?

From Kotonoha: Ayu, a 17-year-old high school student, believes neither in a future nor the happiness it could bring her. By selling herself, she tries to justify her existence, which is as bleak as her heart - it’s devoid of joy, sorrow, love. Not until her encounter with a kind-hearted old lady does Ayu begin to realize the true meaning of happiness…

From Evil Flowers:

Honey Bitter meets Kodomo no Omocha. Shuri is a private detective with a special ability to read minds. She usually handles all sorts of cases, but this time she is faced with a rather unusual request. The famous actress Kurata Sana is going to play in a new film as a detective. She wants to be able to impersonate her character as best as possible so she asks Shuri if she can stick around to learn a few things that real detectives do and how they act. Despite this childish request, Shuri also recieves a more intimate request from Sana's manager, Sagami Rei, who wants to find out the reason why Sana and her husband, Hayama Akito, have decided to live separate one from another.

Soran's father passed away when she was ten years old and her uncle became her legal guardian, who then left her in a nunnery. Years past and he died, and at that time, she was given two choices. One was to become a sister for the rest of her life, while the other was to get married, having no choice in which man. She chooses the latter.

From ShoujoMagic:

Omori Mio is 17 years old. To help out her desperately poor family, she takes on a part-time job. Then, one night, a boy snatches a kiss from her and offers her money, saying, "I'll buy you." Who is the boy who stole Mio's first kiss...!?

An extra of S.P.Y can be found inside.

From xkazemg:

Ootome Hime’s father was a jockey who dreamed of winning the Japanese Derby. One year, when Hime went to watch him race in the Derby, he died in a horrible racing accident. The man responsible retired in guilt from being a jockey.

10 years later, Hime is in high school, and she has heard that Arakawa Jin, the son of the man who killed her father, is debuting in the Derby as a jockey. She went to see him race, and was outraged to see him win! Now Hime has decided to quit high school and go to a special school for jockeys, in hopes of being able to beat Jin in a race one day. She has met a new friend and aspiring jockey along the way, a boy called Tadano Ryouhei, but she can’t let him stand in the way of her revenge!

Sun Jong is a girl who doesn't like to be near others, and wears a mask on her face. Her grandma decides to take in a good looking boy who has the mission to become friends with her. Can she take off her mask?

Shiori's dad remarries and she couldn't be happier. Not only has she gained a new mom, but a hot, older, yet sadistic brother as well?! Note: The manga was previously named as Ie no Naka no S na Koto.

Sequel to Divine Melody. Caisheng, the half demon fox god who can change gender at will, wanders the Earth looking for her lost lover's reincarnation, Wei Tzequi. Wei Tzequi, a former divine being, was banished from the heavens for breaking the rules, but Caisheng refuses to give up hope she will meet him again.

But finding Wei Tzequi is only the start of Caisheng's troubles. Other beings, both demons and gods alike, want her for their own reasons. Some see Caisheng as the salvation for their own race, while others want to kill her for their own nefarious purposes. Even a fox-god from the heavens, Yuer, finds himself intensely curious with Caisheng, and decides he will take her back to the heavens in order to marry her. In order to survive, Caisheng must muster what allies she can so she can continue to wander - and find the one person she has spent so many years seaching for.