Due to living with her 3 brothers and father for so long, 2nd year Mizumori Hidarishita has come to hate all guys! Against all odds, she encounters Koizumi Ikurou, an avid girl-hater because of his troublesome sister. Tired of being pursued by the opposite gender, they both seek refuge in holding onto their beliefs, but what happens when Mizumori's dream world is torn apart?

From here:

This is a very cute story about a girl who adores dogs, and one day is given a magic wand to turn people into dogs.

From Sound of Jewels:

Tsukushi bought a charm necklace online so she could have better luck with guys. When she started wearing it, it seemed to work out fine, but little by little the necklace started to turn black...

Hinazato Tsugumi, a normal girl, accidentally got picked as Miss Madonna for the Shiratori Girls School, a very select girls high school for the rich. So now Tsugumi, a girl from a middle class background, is attending Shiratori and trying to adjust to being the centre of attention amidst all of these high-class people. Of course, she's not ashamed of her background, and she's very high-spirited and cheerful. Takaomi, a slacker from the private boys' school next-door, is exactly the opposite - apathetic, and always napping outside. How will they deal with each other?

From Manga Art:
Kawai Arisa is a timid girl with a split personality. She used to be a super bully and commands her army of "servants" to do things for her. Due to a freak accident, she has forgotten all her memories and turned into a crybaby who never sticks up for herself. Then, a new student shows up to seek revenge against her, which makes Arisa revert to her former self.

About a sixteen year old girl who graduated in Australia and returns to Japan to teach English in a high school. The students are of the same age and so she has a lot of difficulties getting accepted by them.

A collection of short stories:

1. Hissatsu! Madonna Densetsu
Himeno's met her match in beauty, but it just so happens that Mikoto is a guy!

2. Gekikara Baby!
Hokuto is a strong girl who hates playboys. You'll find her reason why.

3. Tekken Baby!
Maki is hiding the fact that she's abnormally strong from her boyfriend, Chigusa, who isn't the type to be strong himself, but she doesn't have anything to worry about?

4. Fire Baby
Hino is very passionate about her table tennis, and won't stop until she beats anyone who insults her beloved sport!

5. Tennen Bad Boy
Kiyoka knows something about Amano-kun that no one else knows.

Fuuko is a normal high school student who went after a boy whom she thought had something "special" about him. Turns out that the guy had a "super" power that lets him control how gravity affects him. However...it seems that it can also affect other people!
Last volume includes a sidestory called H²Love.

From Sync Scans:

If you know the one you loved was known as the “Murder Devil”, would you kill your lover? Or, would you wait to be killed?

Includes:
Toshi Denestsu Yomigaeru Sattujin Oni
From a psychological test, he is diagnosed as having a trait of a murderer, and because of that, she is attacked with a lot of unsolved incidents?!

Migigawa no Akai Yami
Is this a curse from the girl, who was bullied and committed suicide, which causes her right eye to see only the color red?