From YumeDream:
Shinobu is a figure skater who loves ice-skating. First of the 2 stories of the volume is about the growing feelings Shinobu has for her new, young, and total bishie of a trainer. The last story of the volume is about a love triangle among childhood friends.

In the Crystal Harem series:

Vol. 1 - Crystal Harem
Yajima met a gorgeous young man, Ryo, when he was investigating a case. He was mesmerized by Ryo's eyes and got his badge stolen instead. Who is Ryo? What does he want? And who was the man living in Yajima's heart? The tormenting memories are coming back again…

Vol. 2 - Guren no Kusari
More of Ryou and Yajima! 3 young boys with restraining marks were found murdered and disposed off like trash. While Yajima was doing investigation, Ryou was kidnapped! Would Yajima be able to find the murderer in time and save Ryou?

Vol. 2 Chapter 4 - The Feelings of the Dog
The dog trainer Tomo is going to have to teach the new dog owner what to do from beginng to end.

- Attractive Fascinante

Includes four short stories:

• HELP!!

• Crybaby Betty -
Rika is always being bullied by one of her childhood friends, Yuusuke, but what is his reason for doing so?

• Koi Ai Dai Kaze

• Canary ga, Naita Yoru

Asahi and her friend Yamato went together to an exclusive event as test players for a new game from the cellphone-game company "Sky Nova." The test players were a diverse lot of all ages, from ordinary teens like Asahi to popular idols. The company took all of them on a cruise to explain the rules of this island-based, treasure-hunting survival game. Suddenly, during the presentation, all of the participants lost consciousness. They woke up on an actual island wearing a strange watch with the words "Game Start." Now they are all stuck in this survival game, which has become all too real and deadly!

Joeseon Dynasty, a dynasty most known for its prosperous yet dangerous times... However, some of the history is not written in books... What happened to the life of a little girl living in the Joeseon Dynasty?

Kentaro was a normal teenager in school in the country of Kenko, but when the neighboring kingdom of Sigma launches a surprise attack, he learns a secret about himself. Sigma warriors head for the Giria Academy where Kentaro attends in order to assassinate him. He and his classmates are saved by the Sanjuki, three of the most powerful and famous knights of Kenko: Tsubasa Sho Tenkuin, Shingo Go Daireiji and Kyonosukezaemon Dan Kuronokuzu. Kentaro learns from the Sanjuki that he is the heir to the throne of the kingdom of Kenko and his life will never be simple or normal ever again!

From HMR Scans:

Chyoo Lee Ning, jerk Eun Jeh, pretty handsome boy Yun Jun woo, if it’s like or just bullying the one year younger guy who confuses people... Hyun bin. Heh young, who believes that the strongest person can achieve love… This is a love story about different teens.

The series consists primarily of short vignettes detailing the adventures of the Crossbone Vanguard space pirates three years after the original manga.
The first story is set during the One Year War and deals with a young Umon Samon. The series also features the "return" of Grey Stoke, an aged Judau Ashta under an alias, who first appeared in Hasegawa's Mobile Suit Victory Gundam Side Story manga.

From Snow Kiss Scanlations:

Towa became a sweeper admiring the legendary sweeper called, “Orange-Eyed Messiah”. The task of sweeper, which requires to “sweep” the monsters Adys is quite hazardous. On his first real attempt at fighting Adys, Towa encountered Kei, a former sweeper who saved him from being killed.
Towa asked Kei to take him as a student. However, not only Kei plainly rejects Towa’s request, he tells Towa that he saw the “Orange-eyed Messiah” die!? An appearance by a mysterious man who seems to be connected to Kei showed up with a grudge from the past. Who is he and what is his relationship with the “Orange-Eyed Messiah”? Will Towa finds out about Kei’s past too?

From Yen Press:

Rescued from the darkness by Xeno, a mysterious swordsman, Claudia the Rose Witch is the foundation of the Crimson-Shell, a special division of the Red Rose—an organization aiming to capture the results of one mad scientist’s experiments, the deadly Black Roses. But when Xeno’s loyalties are called into question, will Claudia be strong enough to believe in her dearest friend? And what is the color of the rose blooming in Xeno’s heart—a deep, passionate crimson…or a traitorous jet-black?

From Manga-Heaven:
Long ago, a devil traversed the world leaving nothing but death in his wake. Eventually the demon was slain by the 10 gods who created the world. As the people began to worship the gods, the gods created 10 swords infused with their power to protect the world from evil and peace dawned upon the world once more...
Mirim is a member of the 10 Pillars Sword Guild and one of its elite earning the title of Crimson and the right to wield one of the swords forged by the Gods. Her companion, Ash Grave, is the devil of legend. Why is a swordswoman with divine power to protect the world paired with the demon that is said to be destroying it? Perhaps there is more to this legend than meets the eye...

From Seven Seas:

From the time she was sold into servitude as a young girl and told by a handsome demonic figure that she had a destiny to fulfill, Sheila’s childhood was anything but easy. After joining an assassin’s guild to undergo rigorous training, Sheila is later taken in by the dashing Prince Edvard to serve as both his housemaid and bodyguard. As skillful as she is with a blade, Sheila hasn’t a clue when it comes to courtly romance. While she uses her talents to help Edvard win the throne, can she stave off the many admirers who vie for her heart?

Carl van Hellsing has vowed to hunt down the vampire Elliot for eternity. But, that's exactly what Elliot wants. Implicit shounen-ai.

From Bliss:
In this universe, there are four worlds: Meikai, the center of the universe, Ninkai, the human world, Youkai, where monsters with shape-shifting forms live, and Shintenkai, the world of the Celestials. Shiba Yukinari is one of the few who are born of both Youkai and Celestial blood - during the day, he works as a detective, but also has the job of exterminating youkai. As he works collecting 'cores', or a youkai's source of power, he meets Riifei who that demands that Yukinari hand over his own 'core'...

Vol.1 Crimson
Vol.2 Crimson Crown
Vol.3 Crimson Chaos

The people of Earth live in a society where vampires aren’t just real but dangerous. Although humanity has been able to keep them under control and even take the night away as the vampire’s natural habitat, some of them have adapted. Hesperides, a relatively new breed of vampires, have adapted over hundreds of years in order to be able to go outside during dusk when the sunlight is at its weakest and feast on humans. Aburaya Shiro, a high school kid, lives in a town where there has not been a vampire attack in years, but adults keep warning them of going outside at dusk. Shiro and his classmates take this warning lightly and head out at dusk only to find out one of their classmates who they thought they knew well turnz out to be a Hesperides. With all his classmates violently murdered, the only way Shiro was able to survive was with the help of a different classmate, Ichijoji Eruka, who doesn’t seem to be human herself.

From Aerandria Scans:

Mikoto, a high school student who lives alone in an old apartment, and Murakami-san, a university student who lives in the next room, are a couple. She should expect every day to be lovey-dovey with her boyfriend, yet troubles after troubles keep on happening?!

From Aerandria Scans:

1) Cream Caramel Chocolate
Actually, Mikoto, a high school student who lives alone in an old apartment, just started dating Murakami-san, a university student who lives in the next room. Living under one roof, she's happy that she can be lovey-dovey every day with her boyfriend, but reality is somewhat different...

2) Springtime Do Re Mi

3) A Happy Heart
Fukuzawa Makoto is the chairman of the discipline committee. Shiba Emi has a super big crush on him so she attempts to get his attention by breaking the school dress code.

4) To Pursuit Happiness

From Sensation Scans:

Seo Kyoung is pitiful. Everyone thinks she is, especially after making the wrong "friends," she now has to prove that she does have a boyfriend. She accidentally chooses the most popular guy in school... And... he starts to like her. But his best friend likes her too. What will happen?

A collection of oneshots:

1) ABC
Aki is in her first relationship with Yousuke, but he doesn't seem like such a great guy...

2) Nako's Love Letter
Suki's boyfriend, Tooya, is scary looking and always treats her like his servant. How does he really feel?

3) Snow Upon You, Flowers On My Heart
Yu has been asked to take care of his cousin, Sakura, who hasn't talked since she witnessed a car accident 4 years ago.

From Tokyopop: Jin Sung Moo does his best to hide his inner feelings; Shin Hae Jung dances to the beat of her own drum; and Jimmy is an out-of-this-world guy with a revved-up motorcycle and style that is second to none. Some say it's an extreme kind of love. Some say it's just crazy. Some say it's a crazy love story.