For 820 years he had slumbered with no knowledge of mankind's advancement and scientific progress. The land which he once knew has become an unfamiliar place with new technology, attitudes, and lifestyles. Upon awakening, Cadis Etrama Di Raizel (called Rai), seeks to familiarize himself with this era. He locates a loyal servant of his, Frankenstein, who is currently the principal of a high school in South Korea. Rai decides that this school is the perfect place to help him learn about the modern world, enrolls, and begins associating with a group of good-natured students in order to 'blend in.' But this new world is no safer than the old; and the dignified, bewildered, technologically inept Rai finds himself embroiled in adventures both ridiculous and dangerous.

A cute manga about a vampire girl and an office worker living together!

Take a peek, if you will, into the private lives of the young and love-struck. Not the public things that everyone sees, but the messy parts that take place in the secrecy of the home. You’ll find that life, like love, is an inexplicable and chaotic thing. All the more entertaining, don’t you think?

Of Doraemon fame, Fujiko F Fujio asks what the world would be like if super powers belonged to a less-than-ideal superhero, Kuraku Kento.

A battle tournament to decide who is the little sister number 1 of Japan begins!

After the death of Mao's mother, who was called the "Fairy of Cuisine", Mao must strive to become a legendary chef himself, in order to take the title as head chef at his mother's restaurant. To do this, he must travel to China to learn the many ways of cooking. During his journey, he meets great friends and also fierce rivals.

OGAWA Etsushi's debut oneshot, King of Tower, is included as an extra in volume four.

Rita is a normal and optimistic girl, but convinced by her hardcore gamer friend, she delves into the world of MMORPG gaming for the first time.

A deadly android was delivered to me on my birthday!.. 
This is a Manhwa by Songa Min. Set in the near future, follows the life of Nano, a classified Android.

Mao is 14 years old and the daughter of a legendary warrior and top martial artist. A child of the elite, she longs to be the cutest of witches, but Mao is a little on the impulsive side and not actually that smart. Although she is quite strong, her magic power is zero and her life is a series of destruction... followed by regret…

From ANN:

"The manga revolves around a polar bear who falls in love with an earless seal, and he wants nothing else except to protect him, even though the seal constantly thinks the bear will eat him."

Suddenly a high-school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him. Having co-operated with a mysterious silver-haired girl with a fairy cat, Subaru wakes to find himself in a mansion with the girl he saved from the fate of death! And with a new save point.

Tairaku is a high school teacher in a school full of bad apples, and as tiring as his life may already be, a chance meeting with a young girl is about to throw it into chaos. His home life, his school life, and his tentative relationship with a fellow teacher whom he has a crush on, are destined to teeter on the brink, thanks to this one young student. The girl in question is called Shirakaba Aya and her father has the utmost confidence that Tairaku will behave like a proper adult while they are living together. But Aya has the utmost confidence that Tairaku won't be able to keep his hands off her, even if she has to force him to do so.

A young, large-breasted ninja girl is captured while trying to steal a legendary sword. In the prison cell, she meets the true owner of the sword, Raikoumaru! Working together, maybe they can break out and reclaim the sword from the powerful collector, Asano!

"One such setting is the "Nine Schools Battles", officially called The National Magic High School Good Will Magic Competition. Every year, the best Magic High School students gather together, unfolding a story of frustration and glory by putting their young pride on the line."

(Adaption of Light Novel v03-v04)

"I want to have sex with you, nii-chan."
That one sentence from my younger brother made my - Ichinose Chihiro's - life do a complete 180.

Chikage and I are brothers that get along well.
It's been a few years since I started to live together in Tokyo with my responsible younger brother, who is also a mangaka.
Is this a punishment to me for relaxing into this comfortable lifestyle?!
While I'm stupefied by the sudden declaration of "wanting to have sex," my younger brother approaches closer.
Even if he needs it as a reference for his work, w-we shouldn't do such things-!!
But if it's my cute little brother that's pleading me so desperately, I might... just give in... maybe...
What should I do?!

This is a perverted scramble of a battle under one roof!

Heihou Hehou joins the dancing army he once admired, but quickly comes to find it has completely changed.

From Dazzling Scans:

The unemployed Shibata Michiko is betting everything she has on her romance with a younger man—literally. In order to keep him happy, she deprives herself of the things she wants and buys him expensive clothing and accessories. Since she's flat out broke, she needs to find a job before she starves to death and loses her young love interest. However, Michiko discovers that the boy was never interested in her romantically. Depressed at being dumped and after a series of unsuccessful interviews, she bumps into Kurosawa—an intimidating former boss she used to dislike.

From MangaHelpers:
Haruki is a teenage boy who has two friends that are not very ordinary. Ayana has been transformed to be part dog, as shown by her dog ears and tail. Ayana also has enormous lactating breasts. Airi, on the other hand, is a cyborg girl, and she's got tons of mechanical gadgets. The story begins when Ayana and Airi both want Haruki to join their club, and Haruki must pick one over the other. Ayana's science club has more to do with transforming living things, whereas Airi's has to do with more mechanical science. Their attempts to persuade Haruki to their side tend to be full of nudity and sexual arousal. Haruki is going to have a bizarre school life.