From Shinnen:

Ch. 1-3: Setsuna Yuki:
Nagisa is a normal high school student. For winter vacation, it's decided that they will go snowboarding. On the ski slopes, she watches a guy who is really good at the sport. She tries it out, but gets herself into a little accident, causing her to return to the lodge. There, she meets Soushi, the guy from before. It's her chance! Will she somehow be able to ask Soushi to teach her?

Ch. 4: Gokujou Ouji-sama

Ch. 5: Bitter Boy Café

From MangaHelpers

Kazura has her first high school boyfriend, a cute guy named Iwasaki who likes her very much. When he takes her to see her favorite band perform live, she meets the band's cool, attractive vocalist. The next day at school, she discovers a secret: the sexy vocalist is none other than her teacher, who seems totally uncool in his daytime appearance! What will she do about her boyfriend, her teacher's secret, and her growing attraction to him? [tethysdust]

The plot focuses on the Marquise de Merteuil and the Vicomte de Valmont, rivals who use sex as a weapon of humiliation and degradation, all the while enjoying their cruel games. Their targets are the virtuous Madame de Tourvel and Cécile de Volanges, a young girl who has fallen in love with her music tutor, the Chevalier Danceny. In order to gain their trust, Merteuil and Valmont pretend to help the secret lovers so they can use them later in their own treacherous schemes.

Note: The manga is an adaptation of "Les Liaisons dangereuses" by Pierre Choderlos de Laclos.

From Chibi Manga:

Too far, it's hard to be seen. Too close, it's also hard to be seen. It hurts and makes you feel like crying. Too sad, until it makes you laugh. That's right, this is what you call first love…the most popular guy in school falls in love for the first time in his life!

An independent collection of short stories — Ultramarine Schooldays highlights the color that evokes faithful memories, tenderness, and melancholy. These stories take place in Japan and in the West, in the past and in the present. They may involve a romance in the city, an energizing walk in the forest, the daily mundane life of a waitress working in a café, or a medieval intrigue; but what connects these stories are the powerful messages they deliver.

Volume 1:
• Tale of tail / Window to the spirit world
• Princess prisoner
• Teacher and I
• Flower's cavalier
• Pink chocolate
• Forest of wonder
• White fire (three parts)
• Albertina

Volume 2:
• Ninon's love
• Time-bell
• The Ten Swords of the North / Xenia and Reuther (five parts)
• His Music
• Pink chocolate, second act

Volume 3:
• Red-roofed house
• Pink chocolate, third act
• Twilight (two parts)
• Merry garden
• Oenothera princess (three parts)
• Snowfall night

Volume 4:
• Over the Bridge (two parts)
• Rainbow (three parts)
• Spy and Spy
• Pink chocolate, acts four and five
• Old Elm
• Farewell to Gunjyo Schooldays

While at school, Mahiro is the super straight-laced honor student. But she has a secret... after school, she works at a cosplay cafe owned by her uncle! Will she be able to peacefully live her double life after her classmate Hinata discovers her secret?

Meet Shooto. He's a big hero fan and wants to become a hero! The problem is that he's mocked for being too short. One day, his classmate Mizushima invites him to become a "hero" at her home which is actually a criminal organization called Jackal.

Shooto then gets tricked by Jackal's leader Crea to become their supervillian, Ratman! Now the world's smallest hero will embark on his battle against heroes and villains alike!

The plot of Fate/hollow ataraxia is based half a year after the events of Fate/stay night. Like its preceding counterpart, the story is set in Fuyuki City. Bazett Fraga McRemitz, a member of the Mages' Association and a master in the 5th Holy Grail War, wakes on the fourth day of the 5th Holy Grail war with a new servant, Avenger, and no memory of what happened to her beforehand. She and Avenger set off to fight and win the Holy Grail War.

The number of friends which Asao Ran has is 0. While she is trying to change herself, things do not go so smoothly. Within these days, a certain meeting slowly bring about changes.... From the author of the popular webcomic 'Hori-san to Miyamura-kun', HERO, comes a brand new heart-pounding youth love comedy!

Hime Arikawa is a high-school boy with a huge debt, and he is saved by the girls of his school's student council after being chased down by yakuza debt collectors. The student council agrees to pay off his debt if he'll join the student council and spend his high-school life cross-dressing.

Included in this work are the following spinoffs:

• Himegoto +
Hime's younger brother Kaguya joins the public morals committee because he wants to save Hime from the clutches of the student council vice president.

• From Comic Rex and Febri

In the Iberiko Buta series:

Vol.1 Iberiko Buta to Koi to Tsubaki. (Iberico Pork and Love and Camellia)
Irie "Iberiko", leader of the Pigs Raging Clean Up Crew, is rumored to go on uncontrollable rampages when angered, so when Tsubaki's friends accidentally litter near the Pigs' high school and piss them off how is it that not only does Iberiko accept their explanation but also invites Tsubaki to dinner?

Vol.2-3 Iberiko Buta to Koi no Dorei. (Iberico Pork and Slave of Love)
This is a sequel to Genji and Yoshimune's story in Love and Camelia which tells about Genji's one-sided feelings towards Yoshimune (they are both part of Irie's crew).

A new series about modern-day ninjas by the creators of Freezing. Official site with RAWs: http://yawaspi.com/monochrome/index.html

Many people in this world possess commonplace magical abilities. These are usually things that make their lives a bit more convenient - such as the ability to make a small flame, or to heal slightly more quickly than usual.

But the brilliant young lord of Seeker Castle has a little sister with incredibly destructive magical powers, which he uses to kill anyone who threatens his territory. Also living with the lord and his sister is a boy whose powers are still a mystery. Thus unfolds the story of their intertwined destinies...

The story follows the high-school delinquent Masaya Funebashi, better known as "Devil Ma-kun" who is trying to reform his image by joining the tea ceremony club.

A humorous story centered around the life of a girl named Hinatsu Nose, an undergraduate student in the Department of Engineering. Just as she is entering her senior year of college and is applying to join a research lab, her friends start talking to her more about love and she becomes curious about having relationships with guys. Since Hinatsu is a material science nerd who has an unhealthy obsession with melting and molding metal, it surprises everyone when she suddenly takes interest in a guy she meets in a lab. Will love continue to be a side thought for Hinatsu?

Three students battle sadistic professors, annoying roommates and evil conspiracies at a second-rate university for superheroes. A French comic with heavy stylistic influences from American comics and Japanese manga, and tons of pop culture references.

From Mixini Studios:

Back in the day, that place was a house filled with magic - a place where you ended up smiling even if you were crying. Surely, an invisible wizard must have lived there. Or so I thought.

What's a young child to do when her mother leaves her father for another man? Or when her father remarries a woman who brings along a child from a previous marriage? Or when her childhood neighbor friend invites her to live with him?

When Ririko was five, she lost her mother. Since then, she helps out her father. Her father started a handyman company, but then something horrible happened...

Find a piece of red sea glass and your wish is sure to come true. Sachiko is searching for her own piece of red sea glass. Can it make her romantic wish come true?

"Don't cry, Dana will take away your sadness. Because this is Dana's Garden." With those words, young Ling-Ling comforts the crying boy, Jerome. But who is Dana, and can she really help Jerome overcome the grief of losing his mother?