Minori wonders what the true nature of the relationship is between her childhood friend Tsugumi, who she likes, and her twin sister Kozue.

From Divine Sanctuary:

Having to move schools from the Countryside to Tokyo, Chinami realizes that 'being like a girl' is quite vastly different?!

Story 1: A young woman who fell into a time slip.

Story 2: A group of young people who was hiking get stuck at an old shrine because of bad weather, and one by one they are killed by a moster who was sealed at a cave below the shrine.

Story 3: A group of people met up to tell their own horror stories.

From Fateful Encounters:

The Milkman was born with the body that gets him mixed up in everything, and no matter where he goes, bad luck seems to follow him everywhere. He who gave up fighting destiny, is being yet again bullied by the landlord and yet somehow seems a bit happy. And in front of him, the “man who never gives up” the Coffee Milkman gallantly appears. Their meeting changes destiny?!

Chitose is a cute but absentminded high school student who never actually listens to what people say. Trying to keep him out of trouble are his two friends, Yakushima, who secretly has a crush on Chitose and Haneda, a hot-tempered cook who's determined to keep the gayness to a minimum.

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Chitose never listens to what people say, he always hears something slightly different from what they actually said. Mostly his results are just frustrating, but when his friends, Yakushima and Haneda, get injured and punished because of his inattention, Chitose knows he has to do something. But when he decides to try mind reading, his results are unexpected to say the least.

Love can be obsessive. Like wanting to rip the wings off a butterfly. Chouko has been in love with Taichiro for a long time. Taichiro and Chouko have known each other since childhood. At one point, Taichiro became very candid and told Chouko that he hated her so much that he wanted to kill her. Even so, Chouko's desire toward him never really changed. One day, a senior in her athletics club confessed to her. Filled with burning jealousy, Taichiro also confessed to Chouko. Their insecure, but very obsessive love begins.

An extra prequel can be found inside of Yoru Koi.

From Aerandria Scans:

The heir of the huge Fushiki corporation, Tomoe, comes to Japan as an exchange student. He is his father’s youngest child and on top of that - his mistress’s child, but he was still appointed as heir. There’s danger that people will aim for his life. They attach to him a new maid, with glasses, naturally clumsy and ill-mannered... who turns out to be his new bodyguard, defending Tomoe with her mop!

From Viz:

Seventeen-year-old Chiyuki Matsuoka was born with heart problems, and her doctors say she won't live to see the next snow. Touya is an 18-year-old vampire who hates blood and refuses to make the traditional partnership with a human, whose life-giving blood would keep them both alive for a thousand years.

The story is about Jung Won who live with her mother, a florist. Some day, when her mother is on an errand, a wounded boy, Ha Jun, who is her classmate suddenly enter in the shop. Jung Won is a quiet and shy girl whereas Ha Jun is the popular boy. Will this night will change things between them?

The era is Edo (1603-1868). Tsubaki is a merchant's daughter who is sold to the red lights district after losing her family in a fire. Driven by desire to triumph over her first love, a servant, she aims to become the top courtesan! She polishes her beauty and artistic talents every day, but for some reason, her senior courtesan and current number one oiran Takao has an eye on her?!

In volume 4 is included the oneshot Ginrou no Sakura.
A beautiful wolf with silver hair and silver eyes... Surely I'll be captured.

From Kokoro no Oasis:

It’s about 16 year old orphan Sakiko Amamiya and a dying cherry blossom tree that her grandmother left to her to look after. Of course, that includes looking after Shizuya, the spirit that lives within it as well…

From Chibi Manga:

"We talk to our customers through the internet."
This is the famous logo of the most popular host club in Akihabara, Cyber Host Club. Cyber Host Club is so popular that there are customers who fight each other in order to attain the mail address of the No.1 super handsome host, Ouji. Akari, an Ouji fan, has fallen in love with the kind Ouji at first sight. In order to become closer to him, Akari must use her computer. But she is horrible with technology, especially computers. But good thing for Akari, she finds an Akiba otaku, Touma, who is good with computers. She'll have him teach her how to use the computer... but... why does he look like someone Akari knows?

A Smart 3 person Group(?), gambling on their lives, become ghost hunters!

An injured prince under a magic spell that turned his head into that of an Eagle's hides out in a church while under the care of a spunky orphan named Elle. With only a few days until his 20th birthday, Eagle Prince Rei must find a way to return to his original form so he can claim the right of royal succession.

Naho wants to be Hayato's girlfriend, but senpai won't quit noticing her.

A prince who’s been paying back his country’s debt little by little through mercenary work suddenly has the chance to get a huge sum of money. But the catch is, he has to arrest the leader of the strongest thief gang.

From Tokyopop: Anya, the new girl at Lucrece High, just isn't fitting in. Her dream is to join one of the school's elite sports teams, but when she tries out, she's instantly rejected! Anya doesn't get mad, though--she gets even. When she meets other "misfits" who've been similarly written off, they form their own soccer team, complete with cool, edgy uniforms. They may not be the most experienced, but they've got something no other team has: style. Say hello to the world's first Gothic-Lolita soccer team!

Sarah knows Perfect Prince Finney's true nature.

Jin-Pyo is in love... but with his brother's girlfriend. Sadness and tragedy will come out of it.

From MangaHelpers:
After 10 years of training, two young shape-shifting dog ninja are told that they're ready to be tested in the field. They find their new owner, Mitsuyoshi, who takes them in on the assumption that they are simply lost doggies. He gives them new names--"Hanzou" and "Hadzuki." The two dog ninja are supposed to protect him from any other demons, but they must not let him learn his new dogs' true identities. Unfortunately, Mitsuyoshi met Hadzuki in her human form very early on, when she rescued him from a couple of demons. Now she's got to keep her human and dog relationship with Mitsuyoshi separate, something not made easier by constant demon threats and her growing attraction to him.