Severely allergic to felines, Yuuto Amakawa spends his mornings nursing a drippy nose courtesy of his friend Rinko’s cat. But on his sixteenth birthday, it’s not just Rinko’s pet that’s riling up his allergies (to say nothing of his hormones)! Appearing before him is Himari, a buxom, sword-wielding cat spirit in human guise, who has sworn to protect Yuuto, now the target of vengeful spirits! It’s clear that Yuuto’s allergies are the least of his problems — he’s gonna need Himari’s help if he wants to live to see his seventeenth birthday!
(Source: Yen Press)

From Project H:
Sakura Keita, a university student, is in dire straits when he drops a graph critical to passing his class. However, he is rescued by his fellow student, Kurimiya Honoka, who manages to recover it for him. The two hit it off immediately, but will Keita really be able to hold on to his dream girl?

From MangaHelpers:

Ichinose Kouta is transferring to the academy his grandfather runs. He knows little about it, except for the fact that the students are mostly female, so he imagines that his life will soon become a delightful harem-type story.

When he gets lost on the way to the isolated school, he finds out there's a lot his grandfather didn't tell him. The school is actually an all-girls school for ninja! At first, the girls think he's an intruder, and he barely escapes with his life! Luckily, the misunderstanding is cleared up, and he finds himself under the protection of the beautiful and deadly student council president, Fuyunagi Rindou.

But even now, his life will be anything but uneventful, as he finds himself in the middle of an ongoing conflict between Fuyunagi's student council and another student group, headed by a girl known as Momochi Yayoi. [tethysdust]

This manga will contain remastered graphics, and additional scenarios for Ayano Kaneko, a supporting female character being promoted to a heroine.

From Yo Manga
A woodman who dropped his axe in a pond but the mountain god is a woman?

The protagonist, Yukimura Chizuru, is the daughter of a doctor who works in Edo. The father leaves Edo to work as a volunteer doctor and moves to Kyoto without his daughter. As time passes by, Chizuru starts worrying about losing contact with her father, so she decides to go to Kyoto in search of him. On the way, Chizuru is attacked by few criminals and witnesses a fight between an oni and the Shinsengumi. Taking her into custody and saving her, the Shinsengumi debate on what to do with Chizuru when they discover that she is the daughter of the doctor they are also looking for. So they decide to become Chizuru's protectors and help her look for her father(the doctor). Lots of events happen while she stays with the Shinsengumi, as they discover mysterious secrets and also fight against the Bakumatsu group. The story is overall romantic with a historical and political background.

This is the version running in Sylph and not B's-LOG.

The "campus sword & sorcery" story is set in a private high school that brings together "saviors," youths with awakened memories from past lives. Some of them are Shirogane who fight enemies with weapons and techniques gleaned from the Prana powers from their own bodies. Others are Kuroma who wipe out enemies, with magic to manipulate the Mana powers that surpass physics. A boy named Moroha Haimura enrolls in this school. He is the first person in history with past lives of both Shirogane and Kuroma.

Welcome to the 35th Test Platoon of the Taimadou Gakuen, or "Antimagic Academy". The academy is home to squads that hunt down and kill, destroy, or otherwise render harmless magical practitioners and artifacts. The 35th Test Platoon is a band of misfits who don't seem to fit in anywhere else. Each member is a specialist with a focus on a different aspect of operations. The squad may become the greatest team ever, but first they must overcome their greatest obstacle: each other!

From Tokyopop:

Gun has always been a problem kid, but after a tearful plea from his mom, he decides to turn over a new leaf. Vowing to abandon fighting and troublemaking, Gun transfers to a new high school, attempts to be a good student, and rents a room at the local coed dorm. There he falls for Seung-Ah, the dorm owner's granddaughter.
However love is not to be for this couple, as sexy Ji-Ae's untimely advances always thwart his attempts to woo the innocent Seung-Ah.

From Alice Dreams:

Misaki Sakurako is a thirteen-year-old girl who loves ice cream and cherry blossoms. Living alone, she had a weird dream that told her she is the only savior to three young child boys... Strangely enough, she woke up to three handsome strangers who asked her to resolve their dear curse--their bodies will transform if they see any slightly "perverted" materials (posters, pictures, etc.). The only way to prevent them from transforming would be...?

Takuma Miyabe is a boy from an island who moved to Tokyo because his island doesn't have a high school there. However, the ratio of male and female is 1:9. There are too many female students in his class, and as a result, they "flirt" and torture the still innocent Takuma.

When she suddenly wakes up, the heroine, Fuka, who was in a completely unknown land, has no memory of anything. All of a sudden, an unknown silver-haired man suddenly points his sword at her as the whole town runs about in confusion trying to escape. I’m going to be killed — at the moment she resigned to that thought, the one who extends a hand out to rescue her is …?

From Shoujo Crusade:

In the world of the high society , it is expected that each member of every family has their own personal butler. Himeoka Kokoro is a natural tomboy with a knack for sticking her head into trouble. Kokoro hopes to be able to hire a butler for herself, but only temporarily so she can partake in the nationwide "Miss Princess" model search. She is determined to win the competition because of a promise she made but runs into problems on the way. She incidentally saves an old lady who turns out to be the President of Butler, the most prestigious butler agency in Japan. The old lady decided to help her with the model search & Kokoro is suddenly faced with four good looking butlers to help her on the way to winning the title "Miss Princess".

Ookuni Kenichi is the successor of the Inaba Shine. After 10 years away, Kenichi returns to the shine to follow in his grandfather's footsteps. After misunderstandings and mishaps, Kenichi discovers the four shrine maiden's secret and wonders which one is his childhood friend that he made a promise to.

Nareh and Tareh are fraternal twins, Nareh the elder sister and Tareh the younger brother. When Nareh learns that Tareh has been accepted into the all-boys Ordinary School, she is shocked, and prepared to stop him at all costs...

Kanon's story, set in the middle of winter, regards a group of five girls who are connected back to the same boy. Yuichi Aizawa, the main protagonist, had visited the city where the story takes place seven years prior to the story's beginning.

In the beginning Yuichi is very detached from the city and its inhabitants. Prior to his return, it is decided that he is to stay with his cousin, Nayuki Minase, and her mother, Akiko. After his long absence, Yuichi has forgotten almost everything except minor details of what happened seven years before and is in need of being reminded of what he left behind.

On the day after Yuichi's return, he is out with Nayuki who is showing him around town. Nayuki remembers that she has to buy things for dinner and Yuichi is reluctant to go with her, arguing that he might get lost. Moments after Nayuki left him waiting on the sidewalk, a strange girl named Ayu Tsukimiya barges into him with little warning. Upon recovering, she drags him away to a nearby café and confesses to inadvertently stealing a bag filled with taiyaki after being accidentally scared away by the salesman before she had a chance to pay. Yuichi then drags Ayu back to the salesman, they both apologize for the trouble, and Ayu is forgiven. They decide to meet up again another day and Ayu scampers off.

Yuichi is not aware at first, but three other girls which he had forgotten are familiar with him. Throughout the story, as he learns about the supernatural undertones of the town, Yuichi is reminded of each girl and the events of seven years ago in the city covered in snow.

A laid-back 4-koma manga about a feminine baseball coach and the wacky girl's team he manages as they aim to win the Nationals... maybe.

From MangaHelpers:
A sequel to Kenzen Robo Daimidaler, this once again features the high schooler Koichi Madanbashi. Koichi possesses "Hi-Ero" particles, which are powered up by groping women, and he is particularly fond of groping women's breasts. He pilots a robot to fight the Penguin Empire's killer penguin robots.

There are demons who prey on beautiful young women and possess them. Fortunately, there is a magic user roaming the city who can banish them, but he needs to make physical contact with the women in question to banish the monster. Specifically, with their breasts. This is the story of this traveler and his witch companion.

Besides the fact that both of his parents are on an extended business trip overseas, Mizutani Masayuki was just your normal high school student. One day, Shimizu Sayaka, a girl who's in the same grade as he is, barges unexpectedly into his home and his life announcing, “Your parents hired me to be your maid!” From that day forward, Masayuki finds himself having to deal with Sayaka, the self-declared “live-in maid, er wife,” Takamura Yuka, his aunt who is actually younger than him and fondly calls him “Onii-chan,” the yandere girl Takagi Mai who is in love with Yuka, and his kouhai Ozono Anna whose imagination about Masayuki and Sayaka’s relationship always runs wild. Thus, his days of being caught up in those girls crazy ideas (usually unprintable) begins.