From Fantasyshrine:
Amano Kaguya, a blind incense maker, is approached by Igarashi Jin, a hotel manager, to create some complex combinational incenses for his hotel. Unfortunately, as fate would have it, he finds out that Jin is also the son of the man responsible for the deaths of his parents and his blindness. To make matters even more complicated, Kaguya recognizes Jin’s scent as the boy he fell in love with during childhood. Under the strong assault of Jin’s male scent, the confused Kaguya can’t seem to resist Jin’s forceful advances. Will Kaguya lose both his heart and body this time?

Ever since middle school, Takahiro Ozu was famous in the world of track and field as the "long jump specialist”. But after losing his final competition in high school, he hung up his track shoes for good. Now in college, having taken up smoking, he just wants to get a girlfriend and lead a normal student life. Noriko Watsuki has had a crush on Takahiro since she first saw him jump and wants him to join the college track team so she can get close to him. Yuki "The Headphone Girl" Hoguchi, a high school student who likes to hang out at the university, claims Takahiro took her virginity 13 years ago when he was in kindergarten. She considers him her property to do with as she pleases. Throw in a full cast of zany and unique characters, sprinkle with fan service, and you have the world of Inu Neko Jump. From Animewaves

The school public-health doctor, Ren, is often called a "small pet" by the students. Then one day he was shocked dead when he bumped into two students who were about to do some kind of "impure" association in the school's backyard! Not to mention, one of those two was the charismatic model Midori whom Ren had always been longing for. Ren was even more shocked when Midori made him grab his "certain something" then came right in Ren's hands. After that, when Midori confessed that he liked him, Ren felt so pissed-off thinking that Midori took the word "like" too lightly, he punched Midori with his own fits. Midori was so moved by that hit that the following day he began to seduce Ren happily and relentlessly... Sweet lovemelody between the indulged beautiful model and the tough public-health doctor.

A slacker high-school student gets pulled into a world where he is named the "Dungeon Master" and can control everything that happens. He can even make it rain money! It's in this world that he meets a young, traumatized girl who's memories have been erased. With her help, he creates a new game world to escape his boring school life. Everything seems to be going fine until they encounter a lethal bug in the game's programming.

Satoyama Katsuki is a carefree 15 year-old high school kid, and a pretty lazy one at that. However, he secretly has a crush on a girl who happens to share his name: Mizutani Katsuki. Upon finding out that Mizutani's father used to be a pro-boxer, and she herself infatuated with the sport, he reluctantly joins a boxing gym in order to impress Mizutani. Satoyama is quick to find out he may have the blood of a genius boxer running through his veins...

Tsuna comes home one day, only to be greeted by a little baby mafioso who apparently is his new home tutor. His job is to guide Tsuna into his role as the 10th Boss of the Vongola mafia family. With the help of all his new friends and an array of special items such as the "Dying Will Bullet", he might just be able to do it.

From Seven Seas:

Being a girl is harder than it looks...
For Hazumu, this couldn't be more true, because just the other day, she...was a he.

Shunned by the girl of his dreams, Hazumu loses himself in the mountains and is promptly squashed by an oncoming space ship. The alien inside, feeling guilty, rebuilds Hazumu's body...but as the wrong gender!

Now Hazumu must learn how to be the girl his parents always wanted while dealing with the trials and tribulations of being caught in a love triangle between two girls--his childhood friend, Tomari, and Yasuna, the girl who rejected him but is now strangely attracted to him/her!

1) Kareki ni Koi wo Sakasemasu
Ritsu is a normal high school girl, who everyone thinks is cold. One day, she met a weird looking guy by chance, who turns out to be the new transfer student...but for what reason is he there? And why is it that she can't help but care for him?

2) Heavy Crash!!
Two girls who are always tagged as a problem child, even though they aren't. Still, they don't care, their friendship is the best. But...what if one of them falls over heels in love?

3) The Juicy Game
After too many unrequited loves, Natsuko finally gets herself a boyfriend. But...not everything is pink and flowers, her thick-headed brother won't let this go easily...

4) Love Service!
Miku is a girl with no interest in school, who is always out of it. Then, on the streets a guy suddenly saves her from being tossed by a car, but...breaks her phone?!! Who is this guy?!

From Intercross:

Rinko really loves Jun-kun, a manga hero! Yet when Shin - a total playboy and the type Rinko dislikes - makes fun of her, she decides to...?!

A sexy romantic comedy from the mangaka of Sonna Koe Dashicha Iya! This is a story about Emi (heiress to an onsen) and Aki (heir to a hotel) who started out as childhood friends and eventually became rivals. Emi has been trying to beat Aki since the time they were kids. Now that the two are in high school, will Emi finally achieve her goal? Or will Aki get the best of her? What happens if the unthinkable happens - and they actually fall in love!!!?

Kusahana Ryouta is a normal highschool boy, except that he always wears a full body dog suit and never take it off. Things were just like always until he accidentally dropped the bag of the girl he likes and her sports pants comes out and just when he picked it up he wondered how they smelled, the new homeroom Teacher Kizawa ayame AKA Ayane-Chan catch him in the act. Pleading that he will do anything if she don't tells anyone about this, she agrees but ask him "In exchange will you let me sniffle your body?".

[From Lililicious]:

"Kamuko," is a funny, weird, short full-color story.

A man, trying to save money by living off from poverty, works at a convenience store where he encountered a ragged woman who wants a bentou (lunch box). She is, in fact, the goddess of poverty, but the man does not believe in her. To prove that she is one, she possessed him and now all of the man's savings are gone! What will happen between the two when the goddess will be staying at his place until he can pay them off?

From Shoujo Crusade: Life was a mundane chore for student council member Hasumi Ryou, until he picked up a charm on the floor. Suddenly a junior high-school student with bad grades appears in his room caling him Kami-sama(God-sama) and asks for help to pass her high school entrance exam. Not to mention that it doesn't make sense that his room changes into hers everyday after school, Ryou abandons all logic and decides to go with the flow, his heart touched by the earnest desire of the girl who wants to graduate to high school.

From Dragon Voice Project:

Ayumi is a 16-year-old who has a crush on her classmate, Musashi. One day, the God of Death appears before her, and announces that she has only one month left to live. There's no stopping the hourglass of fate! Life is short, girl, so love with all your might!

From Viz:
Momoko is a "Lolita" stranded in the boondocks of rural Ibaraki prefecture, although she'd much rather be living in the Palace of Versailles. Ichigo is an impulsive member of a girls-only biker gang who firmly believes in honor, loyalty, and fist fighting. Together this unlikeliest of duos strikes out on a journey to find a legendary embroiderer who might just be able to make their dreams come true.

Also in this series are two original stories by Yukio Kanesada, Koyubi-hime and its sequel, Nakayubi-hime.

Ririka is a typical high school student except for the fact that she hates being treated like a child. In order to become a women, she is determined to fall in love with an older, more mature man. One day she meets a handsome business man by the name of Kashiwagi in her mother's jewelry store. Ririka is attracted by his calm and refined demeanor, but he appears to have a ring on his left ring finger...

Based on a 2002 light novel by TAKEMOTO Novala, which was also adapted into a live action movie in 2004.

This man's name is Gota Araki. Today he begins working as a teacher at Kyokuran High School in the city of Tachibana. His hobbies are fitness and clipping pictures from adult magazines. But another man has been sent to teach at this high school and that man's name is...

Kei is a normal--if very pretty--young boy in high school. One day, he falls ill and is taken to the hospital. They find, much to everyone's surprise, that "he" actually has a female genotype even though "his" phenotype is male!! A little bit of surgical work solves the problem, and cool male hero Kei becomes innocent female heroine Kei. And what a female! "He" was cute before, but she is a beauty now.

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Kei Yoshikawa, a normal - if very pretty - boy in high school is one day informed that he is genetically female. The shocking relevation causes Kei to restart his life as a beautiful girl named Megumi, while keeping it all a secret from her very handsome male friends. And of course they immediately find out, but all begin hitting on her?!

[From: Mangaupdates] A continuation of the oneshot Kaizoku Game in Ousama Game that features the rest of Kuuron's pirate crew. 1) Yuuki's older brother got caught at his pirate lover and was imprisoned on the ship. In the time he is being supervised by a cook. All the meals prepared are untouched and the cook got angry since all the crew recognized his talent... And the problems all start when some people don't like the relation between them... what will happen... till they have a good ending? 2) Rika, the first mate of Kuron, has been in love with Kuron for 8 long years. Even so, he never confessed his feelings and so he relieves his "other love" off the pirate ship. But one of this sex friends joined the crew... and decided to help Rika... but all that made Rika have other thoughts... what will he do? Accept the help...??!!

Because of his much-too-strict character, the excellent and capable student council president Hayami Reiichirou is often isolated from his surroundings. But things change when, one day, he is forced to take care of a kitten he received from his workaholic mother who divorced his father and left the family long ago. Seeking help from the student council's resident cat-lover, Shiraishi Kotoko, the once stern and unapproachable Reiichirou begins to...?!

Also contains the story Gakuran Ouji:
Kiyomi has secretly been using the prince of her school, Narumi-kun, as a model for her manga, "Gakuran Ouji."
Why is this? Because of how elegant and perfect Gakuran looks on him, of course!! Even Narumi-kun is unaware of his use of image in Kiyomi's manga until one day, Kiyomi accidently falls and drops her drawn images infront of him...