Onikubi High School is governed by 100 strict rules. In order to set the students free from the rules perpetually enforced by disciplinary committee president Subaru Ryuuzaki, Oni High Madonna Reina Katou speaks up! Follow the inevitably comedic school gag oneshot!

From MangaHelpers:

Takahashi Kiji is an attractive, popular, student council president, but he and his two closest friends are bored. Kiji comes up with a game, "The Prince Game." The goal is to bring the worst girl ever to his birthday party in a month. Kiji begins trying to romance the friendless, round-shouldered, weepy Asahi Mabi, who has just been through a harsh breakup. To his surprise, Mabi does not immediately swoon into his arms. Instead, she seems to be a human being, with her own thoughts and goals. She is uncomfortably good at seeing through some of his act. Seducing Mabi requires getting to know her, which is dangerous when his intention is for her to end up in tears...

Nagahara Kisara can read thoughts. Miura-kun is a popular guy, apparently normal, but with unknown feelings for all... Do Kisara unveil?

Princess of romance, Hwi-Kyung. The handsome, wolf-like, Three Musketeer guys who run to Hwi-Kyung wherever she is.
They make a secret promise without Hwi-Kyung knowing. If one of them starts to love Hwi-Kyung, their friendship will shatter.
A no-love oath.
The prince of confidence, Yoon Suh-Rin's, charm!
Te-Ri, who became a two-timer because he loved Hwi-Kyung!
And the one who hid his love for Hwi-Kyung's happiness, the charismatic Jo Hwan-Sung's sad love story!

Hitomi moved to the countryside, and is bored, in comparison to her former busy life in Tokyo. However, that changes when she meets a certain boy...

Based on a popular otome game, Hakuouki follows Chizuru and the Shinsengumi in an alternate reality. Chizuru travels to Kyoto in search of her missing father but after being involved in an incident, ended up being taken in by the Shinsengumi where she meets the members including the famous Hijikata Toshizo and Okita Soshi. Chizuru’s father was conducting government research for strengthening the Shinsengumi and developed the ochimizu. The ochimizu is a formula that gives demon like strength and regeneration effects but once taken, the user experiences extreme pain and eventually turns into a blood hungry monster. In an attempt to defend Chizuru, Hijikata takes the ochimizu and although the situation was saved, he is now affected with the illness. Okita is also forced to take the formula when his tuberculosis prevents him from defending Chizuru and himself. Feeling responsible for their actions, Chizuru must fight her feeling of helplessness and find the courage to support the Shinsengumi.

Yuuki is a girl who lies about her gender to enroll in the theatre department of Getsuryou academy, an all boys' school where all the students are required to stay in the dorm. While hiding the fact that she's a girl, every day, she tries hard to study acting, the subject that she loves so much. One day, an upperclassman, Riku, found out her secret, causing Yuuki to be very worried, but she gradually got attracted to him. At the same time, she came to know the real reason why she was brought up as a boy...

From Midnight Scans:

In exchange for Naoe-kun to stop smoking, Nina has to kiss him instead!?

Ostracism and mistreatment at school. How can one stand alone against the all-too-powerful group? Sawako finds a way and she starts drawing manga.

A story of a young girl, Yin, and her passion for the violin.

Warning: This is not a romance!

From: Easy Going Scans

The Sun Knight is a man who has shining golden hair, sky blue eyes, a compassionate nature, and a brilliant smile. He is the spokesperson for the God of Light, the captain of the Twelve Holy Knights, and (some say) the man closest to perfection. Beneath the veneer of the Sun Knight, however, lies a very different sort of character...

Our shop is located within a quiet neighbourhood, hidden within Genuine NEW'S full-body makeover salon. Because you can find relief from daily stress here, we always have a crowd of regular customers. If we are able to help you find the strength within health and beauty, it will be our pleasure. We have the newest equipment and a team of unique individuals, our whole team anxiously awaits your arrival.

From Bamboo Garden "I think about the same things every day. I hope for the same things every day. Perhaps I was born in the wrong dimension; I feel that this is my true world... Maybe the world I was first born in was fake. Because- take a look, this world is beautiful. Only in this world do I feel happy."

"Wedding Theme" is a historical romance, the setting is same as that of the "Romance of The Three Kingdoms." This manga creates a entirely different image of Zhou Yu who is portrayed more as a bad guy in "Romance of The Three Kingdoms." But, Zhou Yu is dashing, handsome, and young when he meets the heroine of this manga...

3rd chapter of Otokonoko ni Toriko

Kyouko has always been alone. Her parents are always at work and she has no friends around her. One day, she found Lucifer who claims to be the Prince of the Underworld in a garden. After being rescued by Kyouko, Lucifer has decided to stake his claim on Kyouko as his wife. But why is Ishii-kun, the guy whom Kyouko confessed to suddenly wants Kyouko for himself?! (from Midnight Scans)

From Stage Storm:

Miss Marilla Cuthbert and Mr. Matthew Cuthbert, middle-aged siblings who live together at Green Gables, a farm in Avonlea, on Prince Edward Island, decide to adopt an orphan boy from the asylum as a helper on their farm. Through a series of mishaps, what ends up under their roof is a precocious girl of eleven named Anne Shirley. Anne is bright and quick, eager to please but dissatisfied with her name, her pale countenance dotted with freckles, and with her long braids of red hair. Being a child of imagination, however, Anne takes much joy in life, and adapts quickly, thriving in the environment of Prince Edward Island.

Our main character Sena is a girl who's parents pass away leaving her with two siblings to support. Thus being a high-school student she works as a maid for money. So what will happen when she finds out that the person she's working for is actually Souma, a boy who seems to have a hidden side?

A handsome apprentice "knight" with a stoic personality chooses to protect a clumsy 16-year-old maid for his 3 months of training. What's a knight to do when his maid gets in trouble? Can you guess how their relationship is going to turn out? And when his apprenticeship is over, does that mean they'll never see each other again...?

From JShoujo Scans:
Shouko's life is a mess. Her boyfriend's a cheater, a steady job is a phrase that isn't in her vocabulary, and at home, things aren't any better with her mom being so focused on her older brother that she might as well be nonexistent. However, her life takes a sudden turn when she bumps into an old friend from middle school. Her friend, Maki is now a popular mangaka, and when she's asked to help her out part-time as an assistant, she readily agrees. It is there at Maki's house, that she meets Hajime, a budding mangaka/assistant who also happens to be Maki's boyfriend. There's something about him that inextricably draws her to him.