1-3) Inu Jikan
Riku is a girl who would choose dogs over a boyfriend and food. And it just so happens that the most popular boy in school not only has the word "dog" in his name but owns three large dogs too! Will love bloom?

4) Amakuchi Kigokoro

5) Himitsu no Chikara

From Bamboo Garden :
Hui-Jin and Young-Ho's parents get married to each other, and they start to live like family when Young-Ho falls in love with Hui-Jin.... Will the family last?

From Osuwari Team:

"In our classroom, everyone has worries behind their smiles. Parents divorcing, complexes, kissing… The main characters in these stories are living with pain or anxiety, but they are still shining brilliantly."

From Echochi:

Blockheads Kasukabe and Misato are always quarreling over everything. But one day, Kasukabe finds himself helping Misato to escape from a bunch of fangirls. Alone in the classroom. Kasukabe starts taunting and teasing his arch enemy. But somehow, things start taking a turn towards a completely unexpected direction…

From Storm in Heaven:

Tamiya, a student whose honesty tends to be so blunt that it gets him in trouble, has fallen in love with Shirasaka, a teacher from his school. He's an excellent teacher, very caring and popular among students, but because of his dark past, there seems no hope for Tamiya to win over his heart. In the past, Shirasaka had a relationship with Iogi, his senior on the track team, and they were both in an accident which was Shirasaka's fault. Iogi became seriously injured and was forced to give up his athletic dreams. Since then Iogi has used Shirasaka's guilt to keep him close. Is there any chance for Shirasaka and Tamiya to be together?

From Stiletto Heels:

While suffering from a broken heart, Sera moves in with her parents in their home in the countryside. Although Sera swore not to "get into a relationship for awhile" she meets Saji, a station attendant, and falls in love once again...?!

Keigo Satou has a crush on his classmate/friend, Arai, who is always cheerful. He tries to make her fall in love with him even though she doesn't notice him.

Manager Nashizaki Tatsuya of the Pianissimo Club, wants to build the biggest hostess club in all of Japan; a club where men of all ages and nationalities would want to go. And, along with his big club, a huge event will take place, a contest for the number one hostess, with a prize of 100 million yen. Aya, a freshman, doesn't like the idea of being a hostess, but she has to become one, due to a big debt her parents owe. Encouraged by a friend, she reluctantly joins Pianissimo and, so, her life as a hostess begins.

A boy falls in love at first sight, but the girl rejects him because he smokes? What will happen? Brilliant usage of modern media for antismoking campaign. Park Tae Joon from Lookism makes an appearance.

A scientist finds a brain in an alley and implants it into the body of his beloved, Nina. It turns out the brain belonged to a boy, Misumi Yutaka, and he is none too happy to find himself in a female body. What happened to Yutaka's body and why was his brain in the middle of an alley? What will happen to "Nina" when the female parts of "her" body start to have an effect on "his" mind? You'll have to read to find out.

Kibayashi Rento is a 'personification' of a supernatural being descended from a family of Ents (tree-oak people). One day his arm got torn off trying to save a cat from a tree. While he's looking for the arm, he crosses a girl, Kurashina Saya, who finds his lost arm. Saya is Rento's crush, and actually a fellow 'personification' descended from a family of Ghouls, whose main characteristic is appetite for humanoid meat. Can romance blossom between the two supernatural beings? Slight discomfort advised. Don't worry though because he's a plant, so he can regenerate his lost body parts easily, including that aforementioned arm.

Includes onshots:
- Nurui Otoko / Lukewarm Men

From Clockwork Lies:

The girl that the protagonist is in love with was attacked by a rapist. However, the protagonist couldn't save the girl and even lost his own life in the struggle. He found himself in the hospital of hades (the other world) after his death and met a strange doctor in that place. The doctor made an offer to him. He will be given a chance to revive and return to the human world if he makes a contract with the doctor... What will he choose, and what exactly is this contract?

The manga adaptation of the otome game. The story centers around the six sadistic Sakamaki vampire brothers and a girl, Komori Yui, who goes to live with them.Yui Komori is a positive-thinking girl who nevertheless is troubled by seeing spirits and experiencing poltergeist phenomena. In her second year in high school, she transfers to a new school — a night school for entertainers and celebrities — due to her father's work. There are rumors that there are vampires among the student body, and Yui ends up living with the Sakamaki brothers.> Diabolik Lovers Prequel( http://www.batoto.net/comic/_/comics/diabolik-lovers-prequel-r10050 )

From Chibi Manga:

Honami has a thing for glasses boy on a usual day in the class, comes a super cool glasses wearing boy!?

From Storm in Heaven:

Kyoji is a troubled boy who found peace thanks to his sensei, Tate, and the teachings of kendo. But during a kendo competition, Kyoji sees his master transform into an Inca warrior with eyes full of wrath. The two of them awaken the souls of ancient warriors within them, and start down the road toward repeating the same series of events that occurred in their past lives.

Mio Keisuke is a high-schooler who leads a rather dull, boring life. He can’t keep a girlfriend—because being a kept man’s too much of a hassle, and he can’t bring himself to fall in love and want to please his woman. Then—one day he seeks shelter from a sudden downpour under the awning of an apartment owned by Yugi Kakeru… and suddenly his life isn’t so dull anymore as he finds himself falling for his aloof and yet obviously lonely friend.

Comes with an extra for Kimi Note.
Includes characters from Star-like Words.

Naoya Hanamura, who works at a major manufacturer, hears that his crush and senior colleague, Sai, is engaged! Just when he's wallowing in heartbreak, Naoya's client, esteemed designer Shuji Takase, appears before him, enamored by Naoya's talent. One thing leads to another, and Shuji steals both Naoya's heart and his body. Naoya is then accepted into Shuji's design studio, where he finds himself becoming attracted to the ill-mannered, bossy and egotistical Shuji. But rumor has it his boss isn't the type to fall in love, and he can't seem to close the distance between them......

from Renta!