From VIZ:
In the not too distant future, mankind battles over O-Parts, relics from an ancient civilization. It takes a special kind of person to unlock the full potential of these remnants from the past, and a unique breed of humans known as O.P.T.s (or O-Parts Tacticians) become a force to be reckoned with. Unfortunately, O-Parts can be used for good or evil purposes.

Jio is a young boy with a tragic past who only trusts one thing in the world: money. Little does he suspect that he is actually a very powerful O.P.T., and inside him sleeps a demon of incredible ferocity. He meets up with a girl named Ruby, and together they decide to embark on a dangerous quest to discover as many O-Parts as they can. Will Jio help Ruby realize her dream of becoming a world famous treasure hunter? More importantly, will Ruby help Jio realize his dream of--world domination?!

Dr Kim works at the Korean equivalent of NASA. He has talent, brains and is unparalleled with his programming skills.

One day, he hacks into the Mars Rover and catches the glimpse of an alien. Unfortunately, the device wasn't recording at the time and so he has no proof and clearly no one believes him. And as fate may have it, that alien has come to Earth believing she had been caught on video and wanting nothing more than delete that proof before her boss finds out.

Misunderstandings ensures as the two characters meet and are forced to work together as a new group of aliens start stirring trouble on Earth.

Honda is a pharmacist who is overworked due to the hospitalization of his co-worker (who he's secretly in love with). Luckily, one of his customers, Sasashi, turns out to be a doctor who is looking for a job. Honda immediately hires him, but then learns that not only was he fired from his previous job for embezzling, but he's a notorious playboy too.

By all the usual measures, he could be considered a pretty useless guy: a scholastic failure, an athletic disaster, and a chronic loser... but Fukuda Shinichi has one passion: cheering for others!

The 18-year-old captain of North Kanto Southern High's Cheerleading squad decides to make the most of his summer by attending cram school in Tokyo, only to find out that the whole trip was a sham! Things are looking up when he and his friend meet up with two cute Tokyo girls; too bad the girls brought them to a rip-off bar and took off! Ditched by his one remaining friend and stuck with an impossibly high bar bill, Fuku-kun's life couldn't get any worse!

But just then he gets saved by Ume, his role model and former cheerleading squad captain! What is he doing in Tokyo... and why does everyone around seem to know and respect him? Without anywhere else to go, Fuku-kun decides follow Ume to his job, only to discover that... he's a male gigolo!? Fukuda's summer of cheering others on has begun... and the streets of Tokyo's red-light district will never be the same!

Although she is a 15 year-old girl who dreams for a romantic relationship, China grew up to be very boyish. Now that she's in high school, she meets a cute (kind of short) boy named Haruka, and a big genius-boy named Shindou...

From Condensation:
"In this world, is there really such a thing as an awesome guy?"

Midori just started high school and isn't interested in guys. She thinks they're all like her brother, Takeshi, who is rude and spoiled. Her way of thinking changes when a classmate of hers is pulled into the street dancing team led by Takeshi and his best friend, Sutou.

At first glance Higa may seem like a plain and quiet guy--but when the music starts flowing and his body starts moving--he transforms into a completely different person... Even Midori can't keep her eyes off him.

From Nakama:

1) What are You Looking for?
A very rude but good looking banker named Ryo Masaki seeks the help of poor detective Keisuke Sanjo. This is the first client that he has seen in a very long time... what could he need?

2) Man of One Yen
Continuation of chapter 1.

3) Without Lending and Borrowing
Kanji is in love with Ume who can't seem to say no when it comes to women. After yet another breakup the two go out drinking together and Kanji decides that it's time to make his move on Ume.

4) Something of a Sore Loser
Continuation of chapter 3.

5) Debauchery and Villainy
Kyouichi (Bon) the runaway successor of a Yakuza group told Kijima "If you hold me right now, i'll go back with you."

6) Secret Body
Continuation of chapter 1 & 2.

Hiroshi found a broken cellphone on the street and went to a shop to get it fixed. When it got delivered to his home, he got a life-sized girl instead but it is still a cellphone. Hiroshi only wants a normal cellphone that he can brag to his classmates but he can't return this one because of the expensive return fee written in the purchase contract. This is how Hiroshi discovers the advantages and disadvantages in life of owning a cellphone-girl, which he named Eko.

From Tokyopop:

Beings who possess animal-like powers walk among humans in this alternate universe. These mysterious mutants, the +Anima, are shunned by society. Four outcasts in particular--Cooro, a boy with crow-like powers; Husky, a fish-boy; Senri, a bear +Anima; and a girl named Nana, who wields the power of the bat--search for others like themselves while trying to gain acceptance in a world cruel to anyone or anything that is different.

The main character Udagawa Gosuke has received his father's dojo, mainly because his father and older brother were made to commit hara-kiri. He wasn't really supposed to get it simply because he's a second son. But due to the way his pops and brother died, he doesn't have a whole lot of self confidence, so he practices fencing day-by-day at a nearby dojo. However, because the people at that dojo are asses, he soon tries to invent a dojo and a style for people who just enjoy it.

However what really sets this aside from most shounen is that the main male and female characters are actually married. (At age 15 no less!)

The girl Utagawa Shino is the younger sister of his senpai, and is a bit...weird, to say the least. She makes rabbit masks to help bring in a bit of money, although to say that she's obsessed with rabbits would be an understatement. She claims it's because "the rabbits will someday reach the moon." When Gosuke invents his new dojo, he decides to make a style of swordsmanship known as "Rabbit Style Fencing."

Popular composer Shu Ooka has an older lover, a beautiful bully of a man, Shizuka, who is also his cousin. They enjoy a lovefilled life, together with his son Botan... Except, their neighbour, the popular stage actor Ryujin Takamura is actually on an amorous quest targeting Shizuka! Ryujin has real talent at playing the lead role of a lover. But he has also been Shu's rival since they were students! And now, Shizuka is helping Ryujin out with his housework making Shu's heart burn!

Botan also appears in Emono no Kimochi

Despite her family's protests, Aoi Sakuraba decides that she is going to marry Kaoru Hanabishi, her love of eighteen years. Once he realizes that her intentions are genuine - and that she's not just trying to get him to reconcile with his estranged (and domineering) family - he begins to definitely warm up to the idea, too. What obstacles must the two overcome in order to be together?

Takayama is gay. While at work he begins to take note of successful and peerless Ishikawa, whom he eyes hungrily. Ishikawa finds out that Takayama is gay when he sees him in a compromising position with a hook-up, but surprisingly he does not out him at work. When a deal of Ishikawa's goes bad, he is infuriated. In a fit of rage, Ishikawa forces himself on Takayama. Takayama decides that he can forgive him for this one-time incident, but can this sordid physical relationship continue?

1) Everything For the Sake of Love
Akira is a kind girl who loves to be with her friends. Because of her high success rate in matchmaking, her friends have given her the title of "Queen of Introductions" (Matchmaking Queen)! But for some reason, Aki-chan can't seem to get a boyfriend for herself...

2) If Someone Like Me Would Do

3) Chocolate Contest

From MangaONE:

This is a story about the Over-thinking pig with his frustrations with love, his suffering, and how he eventually tries to cheer up. Of course, while we watch and laugh at his bitter experience, we simultaneously recognize his circumstance in our own troubled relationships. Only when we can understand how feelings change when in love will we find true happiness.

Nikotama Souhei is transferring to a new school and vows to enjoy a new life, living a lifestyle true to herself. Adopting the name Sara, she, a transgender girl, heads to school in a girls' uniform, ready to grab life by the nads and twist. Sara's no pushover: bright, hyper and kind. She is like nothing anyone at the school has ever encountered, and faces hardships regarding her gender identity. But she also finds the sweet, upstanding classmate Naruse Kaito who finds himself knee-deep in Sara's "Brave New World".

1-3) What is Love?
Kojima, the Vice President of the Student Body, always strives to be on the #1 spot in school. He normally gets along with the carefree Kurata… until one day Kojima snaps and forces Kurata to have sex with him. So starts their S&M relationship or is it love…?

4-6) You are the Worst
Hiroto and Kota's parents suddenly got married and the pair are forced to play nice and be the perfect brothers to each other, but will it really work?

7) Give it All to Love
Kaji talks about his type.

8) X
Another omake.

9) Afterword

1) Ai ga Aru kara
An insatiable lust for men has landed Matsuzoe with his fair share of them. However, after sleeping with a new and younger acquaintance, he’s gripped by an inexplicable sadness.

2) Re:Cycle
Tomo picked up a stray cat even though it was against his apartment's regulation and got kicked out. Luckily Yuusuke suggests that they live together instead.

3) Kemono Dou
Even though Kaji has no problems finding transient love, he is looking for more than just a one night stand.

4) Omoeba Tooku e Kita Mada
It is almost dawn and the taxi driver picks up a passenger that tells him "Let's go to the beach".

5) Dourakuteki Matomo na Nichijou
Kousaka is fretting about his workplace; his boss seems to be completely nonplussed whether the cafe will go under.

6) SWEETOGRAPHY
Yamanobe looks like he is leading the charmed life but Itou slowly learns that there are many things that he can't exactly talk about with others.

7) Hana Aogu
The heir to a flower arranging business is being pressured to marry soon. On the eve of the marriage interview he meets a man who makes him question his duty to his family.

8) Tooku de Mikaketa Ano Hito wa
Matsuzoe (from chapter1) sees Masaki by chance on his way to his latest conquest's place.

Matsuno, a straight-laced lawyer, wakes up with a male prostitute, Rin, in his bed after a night of heavy drinking! Rin is like a stray cat with no place to go, working the city's night life to pick up clients and make a living. A few days later, Matsuno finds Rin looking for another client, and on the spur of the moment, goes up to him and tells him, ''I'm not gay so I won't have sex with you, but I can offer you a bed and food. ''A sweet and bitter love story filled with misunderstandings.

Includes a cute little oneshot called "The Ear's Feelings."

From Lovers Dream:

"If you become my wife, I'll grant any wish..." Maybe it wouldn't sound half as crazy if Saeju wasn't told this by a cat (who may or may not be some kind of prince.) But she's desperate for some payback, particularly when her longtime crush blows her off, ice-cold style. But what happens when you invite someone downright... unearthly... into your life? Saeju's about to find out- particularly when one strange cat becomes one strange "brother" she didn't ask for!