From Shoujo Sense:

When a boy she doesn't know confesses to her, Yoshinaga finds herself the victim of bullying at the hands of his girlfriend and her female classmates. She resolves to endure it alone, until a classmate stands up to the bullies and sweeps her off her feet (literally!). The closer they get, the more she comes to care for him... but little does she know, her hero is hiding a sad secret of his own.

The included oneshots "Kimi no Kira-Kira ni Naritai" and "Engi nanka ja, Nai!!" have yet to be scanlated.

(from back cover) "Pirates are the lowest~~!" Rose, a young girl who stubbornly believed herself to be such type of high-class princess. The one who came to “kidnap” that slightly restless girl some how ended up being a heinous pirate, a crew member of the "Phantom”…!? Blood will race, set sail on a love and romance adventure—Ahoy!!

I was locked up with the guy I like the most…

From Tenshi-Tachi:

Takuma and Mayu's story began when they were only 8 years old. During his childhood, Takuma was constantly hospitalised due to his heart condition. He soon became friends with Mayu, the daughter of the doctor in charge of his case. Day by day they grew closer and closer. However, the summer when Takuma was 8, he made a promise to Mayu that he couldn't keep... Their story unfolds as they grow older and their bond gets stronger...

This manga received the 53rd Shogakukan Manga Award for shoujo manga.

Extras:

• V.01 - Motto Ikitai...
There is a ghost looming in a hospital. Two little kids, Mayu and Takumi, are now scared after listening to the ghost story from a nurse. Was the story told by the nurse true or not? The kids decide to find out.

• V.07 - The Things I Want

• V.11 - Kare wa Ike mo Shinai Sarukoen wo Mezasu

Ito, a girl who is physically abused by her father, nonetheless hides it from the people around her. But when things spiral out of control only Ibuki is willing to reach out his hand to try and save her. As the two are drawn together, however, he is simultaneously tied down by obligations difficult to break away from no matter where his heart lays.

From Dazzling Scans:

Kitagawa Nami confesses to Yagami-kun, who asks her why she likes him. She reminds him of the time he gave her candy when they were riding the train to school. He scoffs at her reason and dismisses the confession, teasing her about the rejection at every chance he gets. However, Nami finds that Yagami-kun can be kind when he wants to be and that she may be starting to change his mind...

From StarryHeaven:
Miyuu Nanahara is just your average ordinary girl: she has her school, friends, and love troubles. Especially with love. She loves the most popular guy in school. Secretly, he loves her too! What’s keeping these two from getting together…?

From Delish Scans:

"I'll be your captive."
Love potions DO exist.

From Shoujo Manga Maniac: Nao, a first year at jr.high school, decide to enter Seisei Gakuen in order to follow the person she fell in love with at first sight! Once coming there she find out that her "Onii-chan", the nick name she give to her beloved Wada Yoshikuni, is part of K.I.S.S....but what is K.I.S.S?

Yuuma is taciturn and no one knows what she’s thinking. But then, she’ll meet someone that will change that…

From RedMadness:

Essentially, Kaoru's Cake House world is the surrounding of the everyday lives of four guys - Wing, Denny, Bob and Izz - continuously trying their best in serving their customer with the best creation of sweets and cakes. Along the way in blending the professionalism in their everyday work, their individual sensitivity always leads and involves them in their customer personal dilemma which in the end left an unmistakable pain to their ownself.

This manga consist of different oneshot stories.
Story 01 - Searching The Depth of A Smile
Story 02 - 4 Mysterious Guys
Story 03 - Romaniscm of A French-style
Story 04 - Flower Princess
Story 05 - A Dreamless Guy
Story 06 - Pastry Class
Story 07 - A Cup of Chocolate Sweet as Love
Story 08 - Lover
Story 09 - Love is Hate
Story 10 - Threats of Love
Story 11 - Close But Far Away
Story 12 - Where's Truly Love Is
Story 13 - 17 years of Fight

From Gempak Starz™:

Welcome to KAORU‘S CAKE HOUSE, an anthology of tales set in, around, and regarding a small, anonymous cake shop that somehow manages to become the place for people to find more than good food; forgiveness, a few laughs, and even love are the ingredients in this graphic novel from famous Malaysian comic artist Kaoru.

Collection of Oneshots:

1) Hanjuku Hime (Rookie Princess)!

2) Oresama, Kaimasen ka?!

3) Kiss Friend
Emimi had had several boyfriends. However, she disliked any intimate contact with them. Whether kissing or even holding hands, she got disgusted and simply breaks away. One day, she realized that her long time friend, Shinji, did not gross her out and asked him to kiss her. That, of course, is the beginning of a romance.

4) Imakoi

5) Kaori-chan Himitsu Nikki
Kaori has quite the imagination when it comes to romance. In particular, she daydreams about cliche school romance scenes between herself and the boy she likes, Ryuu. One day she drops her diary and it’s picked up by the difficult and hard-to-approach Mayuki. Is this the beginning of a beautiful friendship, or fandom?

• Short-Tempered Melancholic Kajika Yamano is a female ninja whose job is to protect her family's legendary weapon. But when a boy she has a crush on tells her she should be more ladylike, she vows to give up all ninja related deeds. • This Love is Nonfiction Yuri sends her pen pal Ryo a picture of herself--but it's really of her best friend Karin, who is prettier than she is. Now Ryo wants to meet her, so she has no choice but to send Karin instead! • Romance in the Afternoon Rain Minori falls in love with Takato, a boy who shared his umbrella with her one rainy afternoon. Now she "forgets" her umbrella every time it rains in hopes of becoming closer to him. • Second Time in Love Mana secretly likes her friend's boyfriend, but Nakamura, a younger boy, is determined to win Mana's heart.

From Chibi Manga:

Hachiko is in love with her childhood friend. but he's now a popular idol...

From Ochibichan:

“Recruiting those who want to finish it and die, but feel sad doing it alone…”
Fed up with everything, Mie posted a notice on an Internet Bulletin Board and found suicide-partners. Four boys and girls were gathered together because of their ties to death. And then…?!

A collection of oneshots dealing with psychological themes like death, suicide and bullying.

It's Called Love is a romantic shoujo manga that consists of 5 short stories. Each story is done by a different author but in each you will experience the various expressions of love such as heartbreak, first kiss, etc. 1) To Be Your Number One by Ayu Watanabe 2) Sakura Tears by Keiko Suenobu 3) Special by Ikeda Yukio 4) Summer Love by Tsugumi 5) The Force of Dreams by Harui Yuna

From Broccoli:

Spirits known as kamui are thrown into chaos when the sacred spirit Okikurumi is taken from Atsuma's village, and the imbalance threatens to destroy Earth. Infused with the spirit of an ancient sword, Atsuma must leave his village to reclaim Okikurumi.

He encounters NOA, an organization of youths who wield the power of the kamui, and who may hold the key to Okikurumi. Atsuma is recruited into NOA by Sumire, a young woman with an empty soul who yearns for a miracle. Atsuma and his new companions must work together to find Okikurumi before the world is destroyed.

From Summer Rain:
Despite being the heir to a large business enterprise, Taichi Akamatsu wants to become a shoujo manga-ka and has just started living on his own in an old, run-down apartment. One day, Taichi was asked for help by the girl next door—her name was Midori. She reminded Taichi of “Midori,” his ex-girlfriend, but for some reason he still became interested in her.
This year marks the 10th anniversary of Ai Okaue’s debut as well as the release of her most recent work. Reading her work makes you want to fall in love again. A scramble romance comedy of friendship and love.

Your typical romance story between a girl (Konatsu Narumiya) and a guy...except that this guy changes into a pervy girl! He can only change into a girl during the night. Konatsu is the manager of the boys' basketball team, has a crush on the team captain. Unfortunately, the team captain is a complete jerk. When Konatsu confides in another team member, Haruki, about her troubles, their relationship grows closer. The only problem: Haruki is a nice ordinary boy by day, but a pervy girl by night!

From Chibi Manga:

She was her best friend and he was her first love...she didn't plan to change that. Ayu and Kaho were friends since kindergarten. They were the exact opposite; and even if both them were cute, they hated men. But one day, Kaho found someone she loved. "why? I was the one in your heart before..."
"Let's play at football" said a boy that Ayu never saw before. But, she felt her heart beating so fast and hurting so hard. It was the beginning of her first love...

Includes oneshots:
...Suki
It happened by accident... my first kiss, with Naohara-kun... 6 years passed, but that awkward feeling didn't go away.

Zutto Zutto Daisuki (I Will Forever Love You)
In the winter of my second year of high school, I had an unforgettable love. I really, really like you very much...but at that time I couldn't protect you. I'm sorry Ema.