An old man dies, leaving a large percent of his vast fortune to mysterious girl, Alisa, who has supposedly been abandoned on an island for her entire life. The old man's death becomes Alisa's ticket back into civilization. But as she meets the old man's scheming relatives they begin to wonder if she is much more than a naive country bumpkin. What are her true goals? And who is she really....

Seol Lee leads a double life as a secret agent. One night, her family and friends fall victims to an unknown group of terrorists. Who are they and why? Seol Lee sets out to discover the truth behind this painful tragedy. Author/Artist: http://tapastic.com/MosquitoChoi

Park Sooho returned to Earth after disappearing to another world for a thousand years. During that time, Earth had changed into a world of the survival of the fittest thanks to the appearance of monsters. Druid, the king of the animals, who had managed to survive for a thousand years is now off to conquer the world.

[You have entered the dungeon at Gwachun Station's 1st Exit.] Wait—? What is this??

A necromancer returns to Earth after 20 years and enters...the subway station? No, it's a dungeon.

Bow down to the splendor of my one man army as I begin to seize it.

While looking for her cat in an apartment, she met a ghost mother looking for her son. This is her story...

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From Tokyopop: As punishment for being late to class, Kanata has to ring a bell in an old, deserted church near his high school. When the floor breaks, Kanata falls into a vast room, where he discovers a coffin--and inside, the body of a vampire. The vampire rises, killing Kanata. But Kanata's soul is saved, and when he later meets the vampire, they realize that they are bound to each other through a magic spell: If Kanata dies, the vampire dies, too!

One day, a mysterious virus appeared on Earth which killed every infected human over the age of 13. At the same time, vampires emerged from the world's dark recesses and enslaved mankind. Enter Hyakuya Yuuichirou, a young boy, who along with the rest of the children from his orphanage, are treated as livestock by the vampires. Even in captivity, Yuuichirou dreams big. He dreams of killing vampires. He dreams of killing them all.

1-6. Sere♥Kano
Katsuragi's beloved grandpa recently died from a stroke. After his grandpa's death, Katsuragi is contacted by the family at the estate where his grandpa worked as a butler. The family asks him to work there as a butler to replace his grandpa. It turns out, his grandpa was the caretaker of the daughter, who is the same age as Katsuragi, so he will now be in charge of taking care of her. When he is asked to take a bunch of boxes to her room, he walks in on her masturbating. How will she react?

7-8. Swim Girl
9-10. Exploit Me
11. Stick It In Miko

Serena is the only heir to the Serenity family. To save her endangered family, her grandmother married her to the most hated man in the kingdom. The only thing that can comfort Serena, who was collapsing, is her lover, Friedrich.

The story of three people intertwined with hot hatred and love.

From Lezhin: A professor living a successful life with a secret. Two students who each have a hold on their mentor: one who knows her secret and another who reminds her of her first love... Winner of LEZHIN's 1st BIG 4 Comic Contest Original Webtoon http://www.lezhin.com/ko/comic/serenade 

About a rich man unable to open his heart to others and a woman who is poor but lives life filled with love and hope.

Brow, a photographer, has a wonderful breath of fresh air come into his life

Takeshi is the captain of a club activity that prohibits romance.
A devil [succubus] who seduce men appeared under him.
How much can he endure in front of a girl who is sexy but far from neat and clean?
How far can you go through a pure and uninterrupted love affair?

It was later released in the "30th Aniversary - Ay", a special book.

From Friendship Scans:

In the history of the Kingdom of Siegerland, there has always been a powerful Shadow Messenger who acted as a guardian for the country. Yet the Shadow Messenger himself doesn’t have a shadow!
Every Shadow Messenger chooses a guardian out of all the knights. In order to show his devotion, the knight then offers his own shadow as a gift to the Shadow Messenger and by that becomes a Swordsman.

Lisa is a normal girl who leads a happy life like everyone else, when suddenly her father dies a tragic death. From that day onwards, her mother forbids her to leave the house. In the end, she secretly steals away with her childhood friend Louis. They are playing outside, when her playmates die under strange circumstances… Only Lisa survives, but she lost her memories of that day...

When a stray black cat named Kuro crosses Mahiru Shirota’s path, the high school freshman’s life will never be the same again. Kuro is, in fact, no ordinary feline, but a servamp: a servant vampire. While Mahiru’s personal philosophy is one of non-intervention, he soon becomes embroiled in an ancient, altogether surreal conflict between vampires and humans.

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From MangaHelpers:

By the author of "Working!!," this 4-koma features the staff of the health and welfare section of the ward office of a certain city. Newcomers Hasebe Yutaka, Yamagami, Miyoshi Saya, and their supervisor Ichimiya Taishi go through the everyday quirks of working at their office.

Published on NHK Domo Manga Desu on-line website. It should be an irregular series but it is not clear if every chapter will feature the same characters or if it will be a series with a general theme but made by multiple one-shots with different protagonists.

Shūhei Wakatsuki, a man who lives and works in Tokyo, decides to take his girlfriend and her son to his old home to see his parents on New Year's Eve. While driving, memories of his father, with whom he had never gotten along, begin to surface. When they arrive at his parents' house, he and his father silently sit down to watch a New Year's TV show together and begin to talk

Haruhi, a 22-year-old machine operator, woke up one day to find that she drunkenly married an older man the night before. They make a deal and end up living together!