This one shot was release in Comic Alive March 2014. by the Mangaka who did Neptunia and kono naka ni hitori imouto ga iro.

An existence that transcends time and space! One day, a man takes a bite out of a cake he was having with some tea and suddenly experiences a strange sensation that revives memories of his boyhood. Follow the protagonist as he sets out on a lifelong journey of growth and change, and at the same time gain a glimpse into the world of French high society around the time of the First World War. This is the manga adaptation of the mammoth novel that revolutionized 20th century literature and philosophy with its unique vision of time!

From MangaHelpers: The water polo team at Kamakurahama High School has a new ace player, Torii Ushio, who you wouldn’t expect to be a star athlete if you knew her in the classroom. Nakaoka Riku always took her as a shy person but after seeing what she can do in the water and how fast she can swim, he couldn’t deny that she deserved to lead the team. But late one day after practice, Riku finds out that Ushio has some secrets she has been keeping from everyone. Her family runs a temple and Ushio is the priestess to the dragon god. The descendent of the original dragon god is Sango who is a teenage girl who is the same age as Ushio. She lives in a secret underwater cave and her only friend is Ushio whose role is protector and companion. Through a series of events, Sango joins the water polo team to be close to Ushio and amazes the team with her out of this world swimming ability. [vyc]

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After establishing contact with extraterrestrial civilizations, it was found that humans were the only race to develop various sports. The number of alien sports fans grew dramatically, and the most fanatic of them regularly harass stadiums for taking part in a game, or demanding a good show, etc. Finally a treaty was settled, ruling all interferences towards other planets' cultures illegal. Rabbit Force, a group of rabbit-themed henshin girls, became responsible for enforcing the treaty and capturing any offenders.

Lately in Shibuya, many high school girls have gone missing but that doesn't stop Yaida Kirin, our guitar slinging, Tae Kwon Do wielding High School Ardor of Justice from venturing into the night to save the poor souls in need of help. It's a simple life for our heroine, but little does she know that a mysterious group of people have joined her bid for justice. Then there's Reido Serujio. What connection does he have with the mysterious group? What is he hiding beneath that weak, timid exterior of his? And why he won't stop following Kirin-san!? Is it love, like Yuki, Kirin's friend, says? from Aerandria

Jun's 18th birthday has been selected by family tradition to be the day that her husband is chosen. Many high-class families have come to try to marry into the physically and economically powerful Asuka dynasty, but Jun is not interested. With her servant Kratta in tow, she runs away from the groom-choosing party.

Slight retelling of the 2001-2002 Mazinkaiser OVA series.

In Kitakaruizawa, a human larger-than-life springs forth from the Kobayakawa Research Center in the middle of the night. That same human, in an instant of pain and agony, turns to dust and is swept away by a forceful gale across the landscape, a tremendous sight witnessed only by clan of truck drivers rushing down the late-night highway. The experiment of Doctor Kobayakawa ends in a disappointing failure, yet the elder brother of a young Akio makes the acquaintance of the Doctor, unmistakably a trap, one bearing the danger of a new experiment...

The night of his coming-of-age ceremony, Mihara Kouki lost his memory. The one thing he remembers is the moment "someone pushed him". Relying on this tiny memory, Kouki will face his past self while pursuing his own relationships (with other people) — as he chases the criminal, he yearns for these relationships (to create bonds with others)! He enters a human drama where he reels in the thread of memory!

Kanade and Tsuzumi need members for their girl pop band, Angelilly. They think they've found two: Katsuragi Taichi, who wants to be like Caine, a guitarist from his favorite heavy metal band, Gigaween, and Maikura Uta, who wants to sing a solo part in chorus class as well as her sempai, Shiin. Now, Kanade and Tsuzumi have tricked Katsuragi and Maikura into joining their band under false pretenses. The two don't know what they're getting into, but their new life is just beginning.

High school senior Gwon Kang-Han lives a fairly ordinary life with two troublesome parents. He thinks he's been playing too many RPGs when he has a strange dream in a fantastical setting, but that isn't the end of the odd experiences he will encounter, as he discovers the next day at school: in fact, his adventures seem to be just beginning.

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12 members of the Fujimigahara Girls' Academy's Naginata club arrive at a remote island belonging to the club president's family. Legend has it that the remote island had long ago been the hideout of a group of extremely cruel bandits, and that priceless treasures - the fruits of their plunders - are still hidden somewhere on the island. All is well until their club adviser and two members are brutally murdered. Thereby the curtain rises on the surviving girls' life-threatening battle with a bizarre masked killer...

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A boy who wonders why his younger brother Yuuki started dressing like a girl, and decides to see what all the fun is about by trying on some of Yuuki's clothes.

Two manga artists are trying their best to have their work accepted by someone who appears to be their superior. However their latest work has been denied and their superior requests that they should write a manga about a drama where a man protects the peace of the world. The two get together and begin to write a manga about a boy who promises a girl protection! [Mamo]

Kisaragi Maki is the heiress of a yakuza group. She only dreams about being a normal high school student, and becoming an ordinary bride. However, when she sees blood, she changes completely and becomes violent. Will she be able to keep living an ordinary life?

Continuation of the adventures of Nankyoku Sakura, who is also known as penguin by her friends. She is obsessed with anime and manga, for example she goes to school wearing a school swimsuit, cat ears, and a maid tiara and calls it her “casual clothes”! She’s also insanely rich.Prequel:> Penguin Musume(http://mangapark.com/search?q=penguin-musume)

Hinata Kurodo is searching for his sister, who "once existed" but who disappeared, and now no one else remembers her. Kurodo receives a letter from a transfer student, a beautiful girl named Shimotsuki Shirai, saying, "If you want to know where your sister is, come to the library after school." Kurodo goes to the library, where he finds a half-naked Shirai eagerly waiting for him

The perfectionist class president, Tsukamoto Anne, has one small problem: a gyaru in her class, Kenzaki Kaoru, is so exceptionally dumb that she's in danger of repeating the year! However, Kenzaki Kaoru has one small problem of her own: the class president, Tsukamoto Anne, is exacly the kind of person she worships as a god-like fave! The serious class president wants her reign to be perfect, while the creepy otaku gyaru wants to hide her true nature—and so, a battle between the two begins!

This year, the student council has decided to add an exciting new contribution to the school's culture festival; an Idol performance! However, they don't actually have the money to hire any real Idols, so someone's going to have to train up an idol group from their female classmates. Hirano Harufumi is that unlucky someone. He has no interest in Idols at all, but he must put together a performance or risk expulsion from the school for his failure.Not surprisingly, most high school girls are too embarrassed and self-conscious to dance and sing in front of their classmates in a skimpy outfit. When Harufumi tries to think about who he would like to see as an Idol, his thoughts are drawn to his cute, shy, clumsy childhood friend Aizawa Momoka. Will Harufumi be able to convince her to be an Idol before it's too late?Sequel:> Atashi no Idol ( http://mangapark.com/search?q=atashi-no-idol )

From Animeraider: When 16 year-old Haruna runs away from an arranged marriage, her parents force her younger twin sister Wakaba into the marriage instead. But while Haruna ran off with a boyfriend, Wakaba has never even been kissed. How will a high school girl survive going from nothing to full on marriage with no steps in between?