From Kotonoha:

One rainy day, the young woman Natsuki encounters a high school student in the street. Acting on an impulse, she gives the girl her umbrella and walks away. It turns out later that the girl, Michiko, is the younger sister of Natsuki’s sister’s newly-married husband. Even though Michiko has a difficult personality and doesn’t open herself to others easily, she seems to be attracted to Natsuki. Thus begins an unusual friendship between two unlikely characters who need each other more than they first realize…

The main story (Cotton) was released as four chapters. There are also four additional stories:

Story 2: Creature
Story 3: Asa no Kodomo
Story 4: Tegami (Letter)
Story 5: Zange

The prequel of "Fushigi Yuugi" telling the story of Byakko's miko, Suzuno Osugi, and her Seven Celestial Warriors.

Collection of 9 oneshots:

1) Enduring Broken Love

2) Eve's Fruit

3) Soloist

4) Prayer Beads

5) Thanks

6) Horoscope

7) Breakfast

8) Miniature Garden

9) Paper Bag

From Seven Seas:

Ace, the Knight of Heart Castle, is known throughout Wonderland not only for his master swordsmanship, but for his tendency towards cruelty. Can the charming Alice Liddell mellow Ace and his violent ways? Perhaps Ace will even fall in love with Alice...if he doesn't kill her first.

Note: Includes two spin-off stories for Crimson Empire: Yes, your highness., featuring Prince Edvard Winfree, and pregnancy panic?, featuring Bryon Capella.

A romantic comedy about a privileged man and his kickass female bodyguard.

Tamaki Hasegawa misses an interview for a much-needed job in order to stop an assault on a man running for his life! The man—Kagetora Sugo, the prime minister’s nephew—then asks Tamaki to become his bodyguard.

Tamaki isn’t sure she’s cut out to be a bodyguard, but Kagetora has another reason for wanting to hire her. Unbeknownst to her, they’ve met before…

From the manga habit:

Rio is a 14-year-old boy with no particular special traits, except his burning love for books. He's awkward and considered odd at best by his peers. Rio also has a twin brother, Mao. Although they look alike, they couldn't be more different. Mao is good at everything, is popular, and has future plans to have a big, happy family. Despite their differences, the brothers are close.

One day, when Rio attempts to retrieve a cat that wandered into the street, he is hit by a car right in front of his brother's eyes. Everything fades to black. In the darkness, a voice offers a choice: to live or to die. Fading rapidly, Rio gives the obvious answer: to live!

Rio awakens in a world filled with foreigners and strange animals he's never seen before. That's not the only odd thing–Rio now has the form of a black cat! He quickly learns cats are revered in this world because of their special role as familiars of wizards.

From : TCManga/Transient Mirage

At a "welcoming dinner," Umino and her former high school teacher re-united. It was because of him that she decided to become a teacher and eventually enter a relationship with him. However, what was supposed to be a beautiful relationship for Umino ended abruptly when he said "I fell in love with somebody else."

What will happen to Umino after her failed relationship?

1 Volume, 5 short stories:

1) Hitomi de Watashi wo Tsukamaete
To try to find out if her boyfriend loves her, Nanao rejects love-making.

2) Love springs from dreams of hope

3) The revolution of the sleeping beauty

4) The night of two people embracing

5) The infatuation that never ends

All Arisa wanted was to go overseas for the summer, but instead she found herself roped into an Omiai with the heir to the Narimiya Corporation. She doesn’t want to be involved in this and is trying to find a way out, but Narimiya has decided that he wants to marry her – and actually has the romantic skills and determination to win her heart!

-- Onigiri Gakuen

Chapter 7 - A girl becomes the comfort sex friend to a playboy that she secretly likes and hopes that one day he will see that she's all he really needs.

Satou Hinato is a really slow-witted high-school girl. She even failed in a really easy test and got to attend summer's class all alone. But she isn't depressed with it, exactly the opposite, because this is a great opportunity to be together with her beloved M...

Marumie is a nickname for Maruyama Mie who transferred from her local media announcer job to variety entertainment business. Her dream is to become an actress, but right now she's in the midst of comedy job. The real reason for her transfer was to meet her one-sided love for the super popular comedian Kanadagawa-san...!?

"Please sleep with me!" exclaims a 25 year-old virgin, wanting to get rid of her complex. Vigorously “playing,” the celebrity Mitsuru and Hanoka become sex friends. Even though it was only supposed to be sex between the two, the truth is whenever seeing the clumsy Mitsuru's real face, she is easily attracted too but will she realize it?
Includes short story:
Sayaka, a 28-year-old freelance writer, is nearing the age of thirty. She's been in the same job for six years, and she's got a newbie on her back about her writing... The only thing she has is the idol Tsubasa, whom she admires as an unrequited love, until she meets the handsome and mysterious fortune teller, Kuroki.

From ShoujoMagic:

This is a story about a boxer who aspires to become a champion. One day as he is taking a walk he meets a woman... and then?

What happens when the person you like happens to be your boss? Who seems to not pay any love interest in you because he thinks you're a kid? Nao-chan, will do whatever it takes to capture the heart of Hatori-san.

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.

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?!

From Aerandria Scans:

Kanako is an unattractive and not very capable office lady, until the day her mother passes away and she turns out to be the sole heiress of the old and elite Kinaga house. So suddenly, Kanako has not only to uphold her duties as an heiress, but to turn into an attractive lady so that she can marry accordingly to her new status. Thanks to the family butler and her own efforts, she manages somehow, but even in the middle of her newfound glamor, her world still continues to revolve around her butler...

After hearing about the rejection of her friend Mika, high-school girl Kiritani Mutsuko attempts to extract a proper reason for the rejection from Mika's object of affection, Narita Akito. After all, although Narita is popular, Kiritani just dosen't understand why so many girls would fall in love with him. So in order to understand him better, Kiritani starts to walk home with Narita on a daily basis, and they slowly begin to grow closer.

But Narita has problems of his own, including a heavily depressed mother he must deal with on a daily basis. His own experiences at home leave him unable to relate to the girls whom he frequently rejects.

After learning of this, however, Kiritani makes him a promise. That she would never, ever cry in front of him.

A Collection of early stories:

From Covenant of Darkness:

Face, body, and talent, all 3 are what conspires Misako’s love for the star of the basketball club, with a genius ability and super beautiful Urasawa-kun. However, Misako's first and last profession of love in her lifetime was drastically discarded. Strangely, Urusawa-kun decided to model nudely for an art exhibition in hopes to winning a prize because he has an eye for that thing. The lingering affection is banned and the conditions that sends Misako's heart to abide… A romantic comedy treasure?!