Its about a boy that one day, wakes up as a big breasted woman. S/he has to deal with a pervert friend, new clothes and a mother that prefers him as a girl.

Everything fell apart after the miscarriage of Nori's sister. Her husband left her and she was reduced to a depressed shut-in. One day she suddenly brought home a cute little girl called Yumi-chan, who was supposed to be her friend's kid. Nori's sister soon regained her smile, but Nori felt something was off with Yumi-chan, and the rest of her family.

Pro wrestler Fuji Kaoru disappeared one day during a match. Now five years later she shows up again at her old gym unnanounced, with her five-year-old daughter in tow. But not everyone is ready to welcome her back with open arms, especially her former best friend Yuri, whose anger and hurt at Kaoru's betrayal are far deeper than Kaoru ever imagined.

From DrCoke at MangaHelpers:

When Kamiyama Keito saw Oomiya Honden High School's (a.k.a. "Denkou") Rock Band "Kei-On" club, he was immediately struck by a sense of awe and admiration. Once he was admitted into the school, he immediately joined the club. To the despair of Keito, the club was run by two degenerate senior students who forbid any real practices. Once spring break turns around, Keito finds out that the two seniors were arrested for possession of marijuana, in turn pushing the club into the brink of termination. With the help of the only other member of the club, Tsukumo Shintaro, will Keito be able to prevent the termination of his club?

Lisa moves to Tokyo for university, and she finds herself living with some strange people! The Russian girl Irina explains that the inhabitants work on a time machine together. The other people include Kitsune (who wears a fox mask), Hime (who cooks), and Aki (a self-declared scientific high school genius). This 4-koma style manga follows Lisa's bizarre new life.

Young Ko is about to learn a new hobby...

Ko Higaonna, sharing a moment with his not-quite-girlfriend Satomi, is disturbed to discover a sallow-faced man watching with infrared goggles from the darkness. Ko's sense of privacy is offended, and soon blood is spilled, and the goggles pass into new hands. But the Voyeur remains, and now Ko is his pupil, about to discover what goes on beneath the smiles on people's faces... What goes on in private, in the dark...?

Yugami Makoto likes to travel to different Hot Springs. On his 100th visit to a Hot Spring he meets a beautiful foreign girl in the bath. Stunned by her beauty, he immediately falls for her. But there is more to the girl than meets the eye. And why is Makoto forced to work at the Inn afterwards?

Chiisaku Furikabutte, lit. “Small Windup”, was published in Afternoon between the tankobon publications of volumes 15 and 16 and during the 2011 hiatus, and it is a series of specials about the lives of Oofuri characters. (Nice Pitching!)

Only the strongest is worthy of being Queen... but following the events of the last Queen's Blade, a tyrannical Queen takes to the throne and seizes hold of the Continent. To bring peace back to the land, the Princess Knight Annelotte must amass a rebel army and set forth to stop this threat. A series of short stories that introduce the characters in the universe of Queen's Blade : Rebellion.

If you take the train to the south of the city centre for about an hour, you will arrive at "Nekohara" where the cat lives. Tarou and single mother Yuko live together. Either fun or sad things are always overcome with both of us. Bringing up a cat-raising cartoon, which is catered to by a cute mother and child, opening ♪

This series is a retelling of the SAO Aincrad Arc starting from a day or two before the clearing of the First Floor Boss, and continuing onwards. The first chapter was included in the Anime as Episode 2. Note: Please be advised that the side stories in this series have some changes from the original Light Novel versions of the Sword Art Online main story.

In the future, an energy source called "Life" has become incredibly important. Certain people are able to synchronize with devices called "Sai" which gives them the ability to extract "Life" and have super powers. These people are known as "Sai Takers." Within the "Sai Takers" there is an even smaller group, "Original Takers." "Original Takers" have a contract with a magical device, and they can manipulate "Life" without the use of a "Sai." These powerful people are also immortal, and they only die if they run out of "Life." The world admires "Sai Takers," but "Original Takers" are careful to keep their identities secret.

Nanase Kyouya is an ordinary teenage boy, who moved in with the girls Igarashi Kyouka and Yuma after the death of his parents. Yuma is a "Sai Taker," but Kyouka is an "Original Taker." One day, he goes with them to see a new model under testing of a magical device, based after Kyouka's. After a deadly terrorist attack, Kyouka desperately contracts Kyouya to the new device model to save his life. The device has some side effects, however, one of which is that it transforms Kyouya into a girl! Now Kyouya is secretly an "Original Taker", and he must go to the elite "Sai Taker" school, as a girl, with Yuma. Will he be able to keep enough "Life" to stay alive? Will he be able to navigate his life as a girl? What other side effects of this device lie in wait for him?

These people have been living unhappy lives because they've never been able to do what they want.

Ga Yeon's smart, but wants to become a singer. However, the Korean educational system strongly enforces studying to students without considering the goals and dreams of the student. She's been forced to live a life of suppression.

Jae Hee is a piano player, but he's been living in constant delusion of his life. He has mental problems and cannot distinguish reality from a dream.

Dong Woo and Min Seo are a couple who are talented musicians but cannot make music they wish to make because of the current situation of the Korean music industry.

Hyuk's a very good guitar player, but is forced to be in an idol band, rather than what he really wants to be. The 5 come together to make a band of their own.

A short fast-paced horror manga about a woman who is attacked by an ogre and rescued by an ogre hunter, who informs her that she's been cursed and the ogre has been summoned to kill her.

Will the ogre hunter be successful at removing the curse, banishing the ogre, and saving the woman?

Note: although this is primarily a horror manga, there is a moderate amount of nudity and small amount of explicit sex.

A new masterpiece from the author of Fuan No Tane, Nakayama Masaaki. It comprises of horror stories using introspection that will unhinge you ~ best for midnight viewing!

A remake of Tetsuwan Birdy.
While pursuing a criminal, the pretty but reckless interplanetary police officer Birdy Cephon Altirra accidentally kills Tsutomu, an earthling high school student. To make amends, Birdy is forced to share her own body with Tsutomu's spirit so that he can continue his own life. At first, Tsutomu knows nothing about his situation but soon discovers that his body is starting to take certain actions without his mind ordering it. In times of action, Birdy takes full control of their shared body, transforming it back into her original female form.

Opus is Kon's metafictional tale of Chikara Nagai, a creator under pressure to finish his latest graphic novel, Resonance, who finds that the harshest critic of the shock ending he's got planned is the character who'll have to die in it! Nagai's strengths and weaknesses as a creator are tested beyond their limits as his present and his past, and the worlds of the manga and of reality, become the levels of a maze he may never escape... let alone get a chance to resolve the story!

In an instant, a host of the recently deceased discover that they've been given another shot at happiness... as adorable cats! Will they make the most of their seven-day opportunity? Or will the fur fly as they struggle to figure out what life's all about?

Comics Underground Japan presents the wild, subversive world of Japan’s most accomplished underground comics artists. Some of the dozen artists included in this anthology will be familiar to followers of manga; others make their American debut in these pages. The richly imaginative stories in this volume show a great range of graphic style, from painstakingly detailed craftsmanship to exuberant, maniacal renderings. At the heart of each work in this anthology is a unique personal vision and a fierce artistic compulsion–these manga artists are the misfits of the art form, and they are its visionaries.

Included stories are:
1. "Hell's Angel" by Yoshikaze Ebisu
2. "It's All Right if You Don't Understand" by Yoshikaze Ebisu
3. "Steel Pipe Melancholia" by Masakazu Toma
4. "Future Sperm Brazil" by Takashi Nemoto
5. "A Love Like Lemons" by Carol Shimoda
6. "Selfish Carol's Summer Vacation" by Carol Shimoda
7. "Mercy Flesh (Jiniku)" by Kazuichi Hanawa
8. "Don Quixote #1 & #2" by Yasuji Tanioka
9. "Planet of the Jap" by Suehiro Maruo
10. "Mary’s Asshole" by Hanako Yamada
11. "Volvox" by Pan Migawa
12. "Bigger and Better" by Muddy Wehara
13. "Laughing Ball" by Hideshi Hino
14. "Cat Noodle Soup" by Hajime Yamano & Nekojiro

From Stiletto Heels:

Atsuko (Ah-chan) and Kouhei (Kouhei) are both 29 years old and soon to bid farewell to their adolescence. Both think 29 is a good age to be at, but realize that it doesn't make them feel anymore grown up; both get along, but none actually want to be the first to take the plunge. After nine years of dating and living together for five, Atsuko and Kouhei are prompted to evaluate the nagging questions regarding their work, life, and the prospect of having children: What will we do? What will happen to us?