Tenchi Masaki is a shy high school boy, yet honest and hard working. He looks forward to living a basic humble life, taking over his grandfather's shrine. However, nothing is ever as simple as one would want, as Tenchi soon learns. A series of events beginning with the sudden appearance of Ryoko, the space pirate, creates madness in his home. Now he must figure out how to juggle 2 princess's, a space pirate, 2 galaxy police, the worlds most intelligent genius and a Rabbit-turned-Spaceship in his quiet country home.

From Intercross & Shoujo Crusade:

1-3. Sorairo Koiiro
Sora somehow ended up in a science class with all boys. Now, she's going to pitch in and help them enjoy school life by showing them her Girl Spirit!!

4. Sakurairo Koiiro

5. Sore demo Yappari Kimi ga Suki
The energetic and cute Rin is actually an otaku! Unexpectedly, she meets a 3-dimensional boy with the same looks as her beloved, Chris-sama! Otaku love in full bloom.

From Viz: The trouble and fun began when ordinary teenager Tenchi Masaki inadvertently released the legendary demon Ryoko from his grandfather's shrine. Turned out Ryoko was actually a marooned space pirate! Since then, she's become Tenchi's unwanted houseguest, attracting a host of other troublemaking alien women: Ayeka, a haughty alien pricess; Sasami, her mischievous little sister; and Washu, Ryoko's mad-scientist "mother." Add Ryo-oh-Ki, an adorable little carrot-eating spaceship, and you've got one full Shinto shrine!

Usagi is the granddaughter of the leader of a prestigious ninja village, but she's such a klutz that she's never made it out of the lower class. Frustrated with Usagi's lack of progress, her grandfather sends her to marry Lord Hanzo with an order to breed many ninja children. But the lord has no interest in her or her childbearing potential!

Last volume includes Promise of the Moon.

At 23 years old, Hina Takato inherited a café and the workers in it from her deceased husband. Although he was much older than her, she loved him a great deal and has vowed to never fall in love again... only, she does.

Saku had a normal life, living with his cousin Kuran and being tormented daily by his childhood friend, Karin. That is, until the day a girl named Kiiro showed up out of nowhere claiming to be Karin's and Saku's daughter from the future. Convinced she will disappear from existence unless Saku and Karin get married, she makes life a lot more complicated for everyone. Things only get crazier when Hiiro, a girl claiming to be Kuran's and Saku's daughter from a different timeline in the future, appears with the goal of getting Saku together with his cousin Kuran. Saku is suddenly faced with a dilemma: whom does he choose as his wife, and which daughter does he save from disappearing into nothing?

Ai Shiratori is your average junior high school student with a crush on a boy, Hikaru Kamishiro. With a love so rampant and true, and an imagination as wild as any girl's Ai sometimes has rather... ecchi dreams. But none of those dreams could ever prepare her for the reality that came to her in the form of the Archangel Raphael. You see, Hikaru Kamishiro is not your average boy. Hell has plans for him and Heaven isn't about to let those plans come to fruit. While Hell sends their Hell's Apostles to get Hikaru to commit the seven deadly sins and drag him into hell, Heaven sends their secret weapon: Ai. What is Ai's mission? Nothing short of consummating her love with her beloved Hikaru... but wait by consummating you mean... sex?! Can Ai handle the Archangel's request and save her true love?

The caretaker of the Meisen Dorm has fallen ill. Strapped for cash, it's up to her granddaughter, Kamiya Makoto, to work in her place. But living in a dorm with this prestigious school's "four geniuses" proves to be more than Makoto had expected.

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!

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.

From Azure:
Nanhi Hong is the second child in the Hong family. She has an older brother, who is the jjang (boss) of his school, and a younger brother, who is a member of the rival school's gang. When Nanhi meets a mysterious student, things begin to get complicated. What will Nanhi do?

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.

When the orphaned Sera was taken in by the Lady of the Choi household, her dreams of having a family were fulfilled. However, Sera found herself rejected by the Lady's three handsome sons, and it was made very clear to her that she was nothing more than an orphan who would would never become part of their family. At 16, Sera still finds herself bullied by the three brothers, and soon it becomes evident that there is more than just her background that makes the boys reluctant to officially adopt her into the family.

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 Dazzling Scans:

Tachibana Kaori accidentally spends a night at the luxurious—and expensive—Hotel La Vie en Rose. Without enough money to pay the accommodation fee, receptionist of the hotel Kyuno tells her that she has no choice but to work off her debt. Kyuno is a sadistic penny-pinching mystery and no one of the hotel seems to know of his past. Still, as bossy as he is, Kaori finds herself opening up to him about her own traumatic history… and perhaps, Kyuno might have a gentle side after all.

• Hoshiiro no Okurimono (Star Colored Gift)
I have always believed that this meeting was fate. I thought that your smile, everyone’s laughter, and the happy times were going to continue. We wish upon a shooting star, hoping that we would be together always. Thinking that the wish would come true…

• Antique Wish e Youkoso (Antique Wish)
Nishina has always been in love with Haijima Kaname since the day she saw him cry. One day, she follows him to Antique Wish. What's gonna happen next? Will her wish be granted?

• Sleeping Beauty wa Nemurenai (Suriipingu Biyuutei wa Nemurenai)
Chiharu's sleeping face was so beautiful that Minori kissed him. But because of that, Minoru teaches Chiharu a lesson in…?!

Aisu is a daughter of the Outori financial combine family. She loves Hiro at first sight, who is a friend of her childhood friend Ren, and she enrolls at the same high school that Hiro attends. However, her father forces her to get married, so she explodes in anger...!

Includes short story Kimi no Toriko;
Last year's Valentine's Day, Satome Mako gave chocolates to Nakanishi-kun, who let her borrow his umbrella. Through misunderstandings, Nakanishi holds a small grudge against Mako for being spoiled by all the guys on White Day..

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!