One day, high school girl Sonoko forgets something so she goes back to get it. She glances out the window and sees a boy in the schoolyard, surrounded by unconscious and bleeding bodies!
The boy is Narusawa, and blood runs down his cheek, and he has a dangerous look in his eye. He is one of the toughest guys in the school, and had beaten up the guys at his feet. He senses Sonoko looking at him and turns to her.
Sonoko's school is co-ed, but the girls only have classes with girls, and guys with guys. At this school, most of the guys are the loud, rude, dangerous, violent gang-member type. Most of the girls know to stay far away from them.
But, things are about to change when this kind of boy asks her to be his girlfriend--the dangerous Narusawa-kun himself! He waits for Sonoko after school and follows her around. He seems to really like her! What should she do?
Narusawa has a different side to him that he is willing to share with Sonoko. He can be kind and funny. What a strange couple they would make! There are a lot of obstacles in their path to love. Narusawa is willing to tackle them, but can Sonoko face her own fears?

From Hochuuami:

A bored magician, Kei, meets Takanashi who is supposedly a card dealer on the cruise ship he's working on. He truly has no idea what's in store for him when he runs across Takanashi. For starters, how about a game of... strip poker?

Odagiri who hates guys is transferred into an all boy's school. There, he meets Tomonaga, who is selling himself in the school for a bit of cash?! Therefore, in order to monopolize Tomonaga, Odagiri pays him double price...?!

From Shoujo Manga Maniac:
Nadeshiko's parents have already decided for her that she will marry Yamato. Her parents even make them live in a room together to develop their feelings!

Includes two one-shots:

Hug Me Tight: Nari has insomnia. When she finally falls asleep in the infirmary, she finds out it's because she was hugging Oshino. Will she accept later Oshino's offer of being her pillow?

Loving by Fingertip: Wakana and Touro are good friends. Although Wakana likes Touro, she doesn't want to destroy their friendship.

A manga about pirates, from Yuri Hime's cell phone line. A young woman infiltrates a band of pirates to try and get back a treasure that they stole from her mother.

From Nakama:

A master chef and the owner of the bar where he is about to begin working at, are actually high-school classmates. In the past, they had shared a kiss, the scent of flowers still clings onto the owner's body... The master chef who thinks about the past, is carrying complex feeling everyday?
Also, the owner is someone with his pheromones on high, and super popular with other men that one night, he was attacked by an unknown stalker! Decadent wine and love stories between adults...

Maeda Hachibei is unlike most guys, who lust after gorgeous girls. This pervert lusts after their discrete parts, instead. When he moves to Tokyo to attend school, he finds himself living in a dormitory with five girls, each of which possesses one of the ideal physical features he desires: gorgeous blue eyes, bullet-train breasts, a deep dulcet voice, straight “anime-esque” legs, or a waistline shaped like fine Japanese pottery. How can he manage to keep his wits when surrounded by these women? If you think this sounds like a Love Hina clone, you wouldn’t be entirely incorrect… but Hachibei isn’t Keitaro.

Includes a oneshot in Vol.12: "The Boy Who Heard Too Much".

Love Allergy is about a girl whose name is Hitoe. Her father is an extremely famous artist and Hitoe has the same passion as her father as well. She has God's skill when it comes to drawing and painting, but Hitoe herself decides to quit drawing. It is because her heart is broken. Hitoe's teacher who is also a famous artist and a friend of her father is going to get married, and she loved him more than anyone. Considering the fact that Hitoe is at a very sensitive age, she decides to give up drawing which attracts her teacher, Nakada.

Short romantic story about an actor and his stuntman.

Fuyuka wants to take their relationship to the next level, but Natsuki doesn't seem interested...

Touma Outa wakes up from a bad dream one morning and when he sees his reflection, there are horns growing out of his head. Suddenly, he is pounded in the head by a cute, hammer-carrying knight from the demon world. The horns shrink, but he is not off the hook yet, for the little knight, Pukateriosu, is there to prevent him from transforming completely into the Demon King whose soul has entered Outa's body. The PukaPuka hammer can return him to normal but it takes time to charge. In the meanwhile, Outa must try not to think worldly thoughts or be kissed, but it's easier said than done with his crush Shirayuki Himeka, the little demon Garbelion, and even Pukateriosu around...

From Crimson Moon Scans:

Liking the worst possible person...... "If you love me, you will fufil my wish, right?"
Yui confesses her love to Hiro who hides a dark personality...

From Intercross:

1-3) Koakuma Lion
Uno and Reo are neighboring childhood friends. One day, a friend tells Reo that he should become a model. Now, they are high school students, and Reo has become an extremely popular model... yet he acts like a spoiled child around Uno!

4) Renai@Home
Ren and Ai are childhood friends as well as neighbors. Will their relationship change when a young girl claiming that she's from the future show up begins calling them Papa and Mama?

5) LIFE+B
Sonoda Mio has always been such a tomboy at school but when at home, she works in her family's flower shop. Her family's VERY GIRLY flower shop. Mio doesn't want anyone at school to see her all girly, so when someone walks in, wearing the school uniform, she goes and hunts him down the next day. But when she tells him not to tell anyone, he....!!?!

When Yaichi falls onto a trash heap dead drunk, he expects to be thrown out. But then a man comes to his rescue, and Yaichi breaks his video camera. He feels so bad about it he decides to work off the debt. -Bakaupdates

Oneshot/Chapter 0 : Vulcan Markovic lives in a small fishing village in Croatia. He has only two things on his mind--designer goods and losing his virginity. When an indescribably beautiful girl shows up asking for directions to Heaven's Gate, Vulcan takes his first step into "thrilling world-salvation action!!"
Chapter 1 : Main chara switched to another apostle (a monk).
Chapter 2 : On to another, with recurring previous main chara.

[From scanlator site]
Five years ago, Chika received flower seeds from a “mysterious” boy, who asked her to grow them until they bloom. Five years later, the flowers have not bloomed yet, but another boy has come in front of Chika, and claimed himself as the “mysterious” boy. Is he really the boy in Chika’s memory? And will Chika be able to grow the seeds?

There is a Legend about a guy named Kang Do-Young. He is perfect, he is great at sports, he is rich as well as good at fighting. That guy is also the current Jjang of the school. And now that guy likes Namire. A girl who is in a club called 'Pink Lady' and that also wants to be Jjang of her whole school. But she wants to fight Do-Young and defeat him so she can be the new Jjang. To bad Kang Do-Young doesn't want to fight since he likes her. What will happen will she ever defeat him and become Jjang or..........?

From Endless Abyss:

The Law of Ueki plus takes place 2 years after the end of The Law of Ueki, everyone has gone there own way and life has become peaceful again until one day Ueki saves a dog only to stumble upon a plot to steal the memories from all the people of earth. Ueki as the only person who did not have his memories taken, must go into a new world and retrieve the stolen memories where new allies, foes and powers await.

A group of powerful beings called tenkaijin are holding a special tournament. The rules of the game--each tenkaijin selects a kid in junior high to be his champion and grants him a special power. The kids take each other on in heated battle, but if they hurt innocent bystanders, then they lose one of their natural-given abilities. Every time they win a battle, they gain a new ability. The ultimate winner of the tournament is granted any power of his choosing, and the tenkajin who he represents succeeds in becoming the next god. Kosuke Ueki has been chosen to fight in the tournament. His special power--the ability to turn garbage into trees.

From Forbidden Garden:
Chaos and mayhem is afflicting Yoshida Akari's school. There is a ruthless bloomer thief on the loose-and no one is safe!
But on a more serious note, Yoshida Akari's best friend, Hayakawa Maiko has been missing for 3 days now, and it seems as though no one is making any head in the investigation. So, Akari decides to take things in her own hands and questions the last person who was with her best friend, Student Council President Morishita Natsu. He quickly gives her the brush off stating that he is too busy with the bloomer incident.
Who is this mystery thief and just what exactly has happened to Maiko?