A mysterious beautiful woman hosts a death match that results in either death or rebirth. Pitting an Expert who reaches the peak limit as a result from training against an Esper who awakens latent superpowers from within, the chosen players will bet on their lives with a fight to the death! There can be only one survivor.

Aka Gakki Shoujo

Inasaki Komi is a popular highschooler, but what he did not expect was that someone like Sanami Nanai would like him. Although the girl is beautiful and a great student, she has a sinister aura around her. Now Inasaki just wants to find a way to get rid of Sanami, and it appears the best way to do this is to make her hate him.

It's about Yakushiji Teruki, a high-school boy with hemorrhoids who doesn't want to go to the doctor's in case that rumours spread. He later gets help from Miura Shiori, a strange girl from his school.

From MangaHelpers: It is still a shock to Saga Shigekata that he is standing at Ikebukuro Krea Academy, a relatively new school with a very particular curriculum. He was supposed to be attending a normal high school, but when his parents discovered the sketches he was drawing, they sent him here. This school is relatively new and is known as the otaku school where aspiring manga artists gather to learn about creating their own masterpiece. Shigekata meets a fellow first year named Miyakawa Hinari who seems to be in a cosplay costume but later finds out that not only is she Shigekata’s classmate, she is the president and founder of Krea Academy. He starts making new friends that inspire him to produce artwork with a lot of passion. [vyc]

On his first day of high school, Yuuya Ochi is shocked to discover that the girl sitting in front of him in class is actually a guy named Shigemitsu Izumi. Unable to simply ignore it like the other guys in class, Yuuya can't stop thinking about Izumi and wonders if he's actually a girl, especially after Yuuya sees Izumi waving to a good-looking guy who he suspects is Izumi's boyfriend. Intent to find out more about who Izumi really is, Yuuya follows him after school, only to end up being dropkicked by him over a misunderstanding. Izumi later tells Yuuya that he started cross-dressing to put his twin sister Yurika at ease, who is extremely afraid of guys. However, Izumi confides in Yuuya that he has one other reason why he cross-dresses, something Izumi has never told anyone else.

From Kisu KissManga Scanlation:

One day, Natsuto found a loli near his house and it turns out she's a Holy Loli that is in a mission to eradicate the demons that escape from the Chaos Realms and as well as find the Key that can summon demons.

Satoh Jubei, a pervert and fighting expert, has moved to a new home again started off his ridiculous school life with other interesting people. The first one he met was a girl called Ayako, who has unrealistic expectations in Tokyo life. They had some extra-ordinarily close body contact.

The series is full of ridiculous and perverted ideas. It also features some combat skills, traditional Judo vs open fighting.

From MangaHelpers: This is a manga based on a popular light novel series of the same name. Kazehaya Kamito has been summoned to the girl's school Areishia Spirit Academy, which teaches noble young ladies how to make contracts with powerful spirits. On his way, he has the misfortune of catching sight of one of these lady spirit contractors bathing. She is Clair Rouge, and she is contracted to a spirit named Scarlet, though she has her sights set on a more powerful spirit. Kamito convinces her to lead him to the school, but she stops on the way to make a contract with this powerful spirit. When Kamito ends up 'stealing' the powerful spirit, it is revealed that he is actually an unheard-of male spirit contractor! What could be the origin of his power? Now Clair is determined that he's going to have to support her, since she believes that the spirit he now has power over what should rightly be hers... [tethysdust]

A serial killer is on the loose and authorities are baffled! What they do not know is that this case requires non-traditional research methods. That's where Mako Miyoshi the detective and Kyosuke Kagami the Shikigami user enter the picture. Together they investigate supernatural crimes!

Shirobako artbook. Released at the Kadokawa table at Comiket 88.

Junior High student Nao's brother complex is so strong, it's almost at the point of incest. She's determined to make her brother, High School student Shuusuke, see her as a woman. So determined, that she goes as far as going into his room to throw away all his non-incest related porn. But as she's looking for his porno stash, she finds a photo album... and she's not in any of his childhood pictures. What is going on? Reading direction: Right to left

Based on the game of the same name.

From MangaHelpers:
In the 1950s, an old woman was brutally murdered on the face of a clock tower by her adopted daughter. Two years later, the clock tower is known as the 'ghost tower' and it is supposedly haunted. Through an unusual series of events, a young NEET man named Amano Taichi is attacked by someone or something in the same clock tower, and finds himself bound to the clock face to be killed in the same way as the old woman. Luckily for Amano, he doesn't meet the same fate. He's rescued by a mysterious person who claims his name is Tetsuo. He is searching for a treasure that is connected with the ghost tower, and he wants Taichi to be his partner. Taichi, whose life has mostly consisted of poverty, loneliness, and pornography, is enticed by the idea of gaining extreme wealth. He's further convinced when a house fire leaves him without a home and depends on Tetsuo's charity. The adventure is going to be very dangerous, since the same 'enemies' who attacked Taichi before seem certain to try something again! Not to mention, Taichi really knows very little about his new partner.

It's an age where aliens, monsters and other dangers threaten the Earth, and various heroes have risen to protect it. Supporting these heroes are the human defense forces, of which the sisters Kitajishi Miyuki and Yuri are a part. Specifically, their office is for hero consultation, and they help heroes solve their problems, but they also help evacuation procedures during emergencies. Yuri was formerly an immensely powerful and popular magic girl, but now she helps protect people in a more human way. In their first case, they consult with a hero who has lost his powers, and is trying to find a way to live as an ordinary human.

Kazura, an office lady, only ever gets teased by her boss, Inukai. Her job? She transforms into a dog spirit to perform exorcisms. However, there's one small problem. In order to do her work as a dog spirit, she has to be kissed by the boss, or she can't transform. Now then, let's begin this inhuman romance.

A young girl idolizes the world-renowned S-ranked butei Kanzaki H. Aria and plans to follow in her footsteps. However, her test grades her out as only an E-rank! All is not lost, however, as Aria agrees to give her some pointers. Can Aria help this newcomer become a first-rate butei?

From Kirei Cake:

Alice is a senior high-school student who lives with an uncle that spends his time tormenting her everyday. One day, Alice witnesses the death of her uncle by the hands of an assassin called "Kumo" (Japanese for Arachnid). She then falls unconscious, and upon waking up, she finds out that she's in Kumo's house... Now, this Alice who no longer has any family and is being raised by the assassin herself.

In the medieval fantasy world of Alfheimr, succubus princess Astarotte Ygvar--the first princess of the kingdom of Ygvar--has just reached the age of 10. In the coming years, it is necessary for succubi to obtain a male harem. To maintain their appearance, they must consume a substance only found on males called "Sauzfryma", better known as semen.
The princess, however, detests males and will only agree to create a harem if a human male joins.