Yukinari Sasaki is an average high school boy who has gynophobia (female-phobia)...and an allergic reaction when girls touch him. One day, he falls through his tub to a bath to an alien planet called “Siren” where the population is 90% female. There he meets the sweet Miharu, who he can touch without breaking out into a rash! When the pair returns to earth, they’re joined by a wacky collection of friends and enemies who make every day one of laughter, life lessons, and fan service!

Oneshot:

There is a saying that if you find a Japanese maple leaf with eight tips you will find everlasting love. A popular high school actress is now making a film about that legend at the main character's high school, who in turn has a crush on her. One day after school he runs into her and helps her escape from some pursuing staff members. It turns out that since she started acting right after middle school she hasn't had any experience with love and that is hurting the production of the movie. So to get some experience with love she invites him out on a date.

Included the following stories:

Volume 1: Koisome Momiji (Pilot)

Volume 2: FamiDol!
Daichi's, a teenage boy with little experience with women, life takes an unexpected turn of events.
After his mother's remarriage, he obtains a new sister, who is no other than the famous idol Asano Nanami.
What is Daichi going to do when they end up alone together and Nanami wants nothing to do with him?

One day while studying, Ikenouchi Jinta gets crashed in upon, literally, by a girl wearing magic boots who fell through his roof! However, these magic boots have one slight problem with them...

The young Saori-chan visits her cousin, asking about sex nervously after just learning that her friends had done it.

Note: Nothing of the sort actually really happens at all.

From Solaris-SVU:
Shingo Chiryuu isn't much different than any other guy except for one thing... He's afraid of girls. Now he finds himself surrounded by girls, including the one whose attack originally instilled the fear in him, as he attempts to cure himself of his gynophobia.

Shingo Chiryuu isn't much different than any other guy except for one thing... He's afraid of girls. He was attacked by an overweight girl because she was turn down from confessing to him, which caused him to develop a fear of women, seeing them all as "dinosaurs". Even despite all his efforts to get away from the girls, they seem to always found their way to him, making trouble along the way. Now he finds himself surrounded by girls, including the one whose attack instilled fear in him, as he attempts to cure himself of his gynophobia.

Note: Original language image is unavailable.

From Project Bite Me! Scanlations:

From the creator of Touch and Nine, enter the world of Hirahira-kun Seishun Jingi! One of Adachi-sensei's lesser known works, it follows 7th grader, Hirahira-kun as he deals with the 8th grade bully, Daimyoujin and tries to gain the affection of his fellow classmate, Yocchin!

When his Handicrafts Club sempai, Himuro Saeji despairs of ever getting a girlfriend, Kirishima Hikaru is dragooned into helping out in a rather odd manner. Later he also goes "undercover" in practice for his starring role in the Drama Club's play during the school festival. From the anthology series Change H!

Ono Matori is a high-school student who is secretly a successful erotic manga author. He has recently found new inspiration for his work from his neighbors and classmates, the Hikasayama twins, Haruna and Wakana. Both Haruna, the cheerful and active half, and Wakana, the cool and collect one, both fall in love with Matori. He unwittingly agrees to date both of them both for research purposes and personal interest. Their love triangle will help Matori with his erotic manga storyline but how will his life change back in the real world?

Oomura Takeshi is one unlucky fellow. He has has this case of bad luck ever since he was little. One day, while on his normal runs with bad luck, he meets an Angel named Elle, and he finds out that his father wished the curse of bad luck upon him. Takeshi has the oppurtunity to pass on the curse, but accepts it to save a young girl. For his noble act, Elle becomes human and lives with Takeshi to protect him from the curse, which is something Takeshi isn't particularly happy with.

A girlfriend decids to dress up her very effeminate boyfriend in a Yukata, but he takes it personal and accuses her of loving females only, and escapes to the fire work festival. Its a trap oneshot, gender bender fun, and the same author of The Night of the School Trip oneshot.

From Solaris:
After spending half a year abroad, Kinosaki Yuichiro is in for a shocking homecoming when he discovers that his inventor/scientist father has given his 3 dogs the appearance and abilities of girls. Now he is in for a ton of grief as he tries to cope with these changes.

The official Infinite Stratos Anthology comics.

[From AnimeWaves]:

Saruno runs a bodyguard service company with his assistant, but they hardly have any jobs. One day, a fateful encounter with a girl called Meruo started a whole series of interesting adventures.

Fuuma Kotaro, a ninja, is a Kagemusha (body double) for Houjou Ageha, a princess. He masquerades as her when they go to school.

High school student Akira Harisugawa has been in love with Mao Satomi, a girl in his grade, ever since grade school. The only problem? They've been best friends ever since Akira saved her from being hit by a car, and he doesn't want to ruin their friendship! That is until one day, when he finds a mysterious mirror...

Natsuo recently got a hot private tutor for his upcoming entrance exams. But there's something funny about Miss Hibiya that he just can't put his finger on. Miss Hibiya helps Natsuo on both his exam and his love life at school.

From ADV Manga:

The prestigious Aoi Academy caters to an elite collection of young magic users. But 17-year-old Kazuki Shikimori is a student who passes muster in name alone. He is the youngest in a long line of sorcerers, but the family's long-running talent for the black arts ended with this average student. That doesn't stop the female population of Aoi Academy from vying for his attention, though! His impeccable DNA will start a teenage war of lovesick girls!

Some Horizon 4koma from Animedia> Spin-off of Kyoukai Senjou no Horizon(http://www.mangawolf.com/search?q=kyoukai-senjou-no-horizon)